diff --git a/cobalt/layout_tests/testdata/bidi/inline-container-boxes-should-continue-active-paragraph.html b/cobalt/layout_tests/testdata/bidi/inline-container-boxes-should-continue-active-paragraph.html
index 169f063fe478..98d0c8a7c24d 100644
--- a/cobalt/layout_tests/testdata/bidi/inline-container-boxes-should-continue-active-paragraph.html
+++ b/cobalt/layout_tests/testdata/bidi/inline-container-boxes-should-continue-active-paragraph.html
@@ -26,4 +26,4 @@
     <div>a<span>b<span>12دل</span>تد3<span>4</span>cd</span></div>
   </div>
 </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/cobalt/layout_tests/testdata/bidi/mirror-characters-should-be-reversed-in-rtl.html b/cobalt/layout_tests/testdata/bidi/mirror-characters-should-be-reversed-in-rtl.html
index 95c24453a7a3..73242c6dc98d 100644
--- a/cobalt/layout_tests/testdata/bidi/mirror-characters-should-be-reversed-in-rtl.html
+++ b/cobalt/layout_tests/testdata/bidi/mirror-characters-should-be-reversed-in-rtl.html
@@ -25,4 +25,4 @@
     <span>ط(ل[ت{د}ل]ت)د</span>
   </div>
 </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/cobalt/layout_tests/testdata/bidi/nested-block-boxes-should-close-active-paragraph.html b/cobalt/layout_tests/testdata/bidi/nested-block-boxes-should-close-active-paragraph.html
index 93e8b4ce3e8b..a752259e4467 100644
--- a/cobalt/layout_tests/testdata/bidi/nested-block-boxes-should-close-active-paragraph.html
+++ b/cobalt/layout_tests/testdata/bidi/nested-block-boxes-should-close-active-paragraph.html
@@ -26,4 +26,4 @@
     <div>د<div>دد</div>1دددد</div>
   </div>
 </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/cobalt/layout_tests/testdata/bidi/numbers-should-have-weak-directionality-1.html b/cobalt/layout_tests/testdata/bidi/numbers-should-have-weak-directionality-1.html
index bf301c8aff44..5eca78e524ba 100644
--- a/cobalt/layout_tests/testdata/bidi/numbers-should-have-weak-directionality-1.html
+++ b/cobalt/layout_tests/testdata/bidi/numbers-should-have-weak-directionality-1.html
@@ -29,4 +29,4 @@
     <div>د1b2</div>
   </div>
 </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/cobalt/layout_tests/testdata/bidi/numbers-should-have-weak-directionality-2.html b/cobalt/layout_tests/testdata/bidi/numbers-should-have-weak-directionality-2.html
index 3602e0f72104..94869e05fdc6 100644
--- a/cobalt/layout_tests/testdata/bidi/numbers-should-have-weak-directionality-2.html
+++ b/cobalt/layout_tests/testdata/bidi/numbers-should-have-weak-directionality-2.html
@@ -30,4 +30,4 @@
     <div>د1a2د</div>
   </div>
 </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/cobalt/layout_tests/testdata/bidi/numbers-should-have-weak-directionality-3.html b/cobalt/layout_tests/testdata/bidi/numbers-should-have-weak-directionality-3.html
index c9eba5de65f5..175ce8c13f30 100644
--- a/cobalt/layout_tests/testdata/bidi/numbers-should-have-weak-directionality-3.html
+++ b/cobalt/layout_tests/testdata/bidi/numbers-should-have-weak-directionality-3.html
@@ -29,4 +29,4 @@
     <div>د1aد2د3دb4د</div>
   </div>
 </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/cobalt/layout_tests/testdata/bidi/paragraph-should-maintain-directional-stack-with-nested-inline-container-blocks.html b/cobalt/layout_tests/testdata/bidi/paragraph-should-maintain-directional-stack-with-nested-inline-container-blocks.html
index 4aed6acf4c48..6438070b4d80 100644
--- a/cobalt/layout_tests/testdata/bidi/paragraph-should-maintain-directional-stack-with-nested-inline-container-blocks.html
+++ b/cobalt/layout_tests/testdata/bidi/paragraph-should-maintain-directional-stack-with-nested-inline-container-blocks.html
@@ -34,4 +34,4 @@
     <div>a<span dir="rtl">b<span dir="rtl">12دل</span>تد3<span dir="ltr">4</span>.cd</span>.,</div>
   </div>
 </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/cobalt/layout_tests/testdata/bidi/whitespace-should-be-handled-properly-with-bidirectional-text.html b/cobalt/layout_tests/testdata/bidi/whitespace-should-be-handled-properly-with-bidirectional-text.html
index 67676066a76a..6958021899fc 100644
--- a/cobalt/layout_tests/testdata/bidi/whitespace-should-be-handled-properly-with-bidirectional-text.html
+++ b/cobalt/layout_tests/testdata/bidi/whitespace-should-be-handled-properly-with-bidirectional-text.html
@@ -31,4 +31,4 @@
     <div dir="rtl"><span> 1234 ط1لتدل </span></div>
   </div>
 </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/cobalt/layout_tests/testdata/cluster-fuzz/fuzz-222.html b/cobalt/layout_tests/testdata/cluster-fuzz/fuzz-222.html
index 9f6ed1a356f7..81db0b2ba094 100644
--- a/cobalt/layout_tests/testdata/cluster-fuzz/fuzz-222.html
+++ b/cobalt/layout_tests/testdata/cluster-fuzz/fuzz-222.html
@@ -14,4 +14,4 @@
 <!--  -->
  class="blockImageCaption"><small></small></div>
 >
-<!-- 
\ No newline at end of file
+<!--
diff --git a/cobalt/layout_tests/testdata/cluster-fuzz/layout_tests.txt b/cobalt/layout_tests/testdata/cluster-fuzz/layout_tests.txt
index 12a456749553..e9a6f0564482 100644
--- a/cobalt/layout_tests/testdata/cluster-fuzz/layout_tests.txt
+++ b/cobalt/layout_tests/testdata/cluster-fuzz/layout_tests.txt
@@ -1 +1 @@
-fuzz-222
\ No newline at end of file
+fuzz-222
diff --git a/cobalt/layout_tests/testdata/css-2-1/10-3-7-blockification-should-not-affect-static-position-rtl.html b/cobalt/layout_tests/testdata/css-2-1/10-3-7-blockification-should-not-affect-static-position-rtl.html
index cf679831672f..6ca5cacd46e7 100644
--- a/cobalt/layout_tests/testdata/css-2-1/10-3-7-blockification-should-not-affect-static-position-rtl.html
+++ b/cobalt/layout_tests/testdata/css-2-1/10-3-7-blockification-should-not-affect-static-position-rtl.html
@@ -79,4 +79,3 @@
 </div>
 </body>
 </html>
-
diff --git a/cobalt/layout_tests/testdata/css-2-1/10-3-7-blockification-should-not-affect-static-position.html b/cobalt/layout_tests/testdata/css-2-1/10-3-7-blockification-should-not-affect-static-position.html
index 973e22440f6c..02f9925ce126 100644
--- a/cobalt/layout_tests/testdata/css-2-1/10-3-7-blockification-should-not-affect-static-position.html
+++ b/cobalt/layout_tests/testdata/css-2-1/10-3-7-blockification-should-not-affect-static-position.html
@@ -79,4 +79,3 @@
 </div>
 </body>
 </html>
-
diff --git a/cobalt/layout_tests/testdata/css-2-1/18-4-outline-overflow-hidden.html b/cobalt/layout_tests/testdata/css-2-1/18-4-outline-overflow-hidden.html
index 1c2a19744ee2..6a50f01f0884 100644
--- a/cobalt/layout_tests/testdata/css-2-1/18-4-outline-overflow-hidden.html
+++ b/cobalt/layout_tests/testdata/css-2-1/18-4-outline-overflow-hidden.html
@@ -30,4 +30,3 @@
   <div class="outline border"></div>
 </body>
 </html>
-
diff --git a/cobalt/layout_tests/testdata/css-2-1/18-4-outline.html b/cobalt/layout_tests/testdata/css-2-1/18-4-outline.html
index 961a1c10c830..e09ac2a6955b 100644
--- a/cobalt/layout_tests/testdata/css-2-1/18-4-outline.html
+++ b/cobalt/layout_tests/testdata/css-2-1/18-4-outline.html
@@ -29,4 +29,3 @@
   <div class="outline border"></div>
 </body>
 </html>
-
diff --git a/cobalt/layout_tests/testdata/css-2-1/8-3-negative_margins-should-be-allowed-to-produce_negative-box-widths.html b/cobalt/layout_tests/testdata/css-2-1/8-3-negative_margins-should-be-allowed-to-produce_negative-box-widths.html
index 945e191ad1f7..64c918a05201 100644
--- a/cobalt/layout_tests/testdata/css-2-1/8-3-negative_margins-should-be-allowed-to-produce_negative-box-widths.html
+++ b/cobalt/layout_tests/testdata/css-2-1/8-3-negative_margins-should-be-allowed-to-produce_negative-box-widths.html
@@ -26,4 +26,4 @@
     <div><span>Yes<span><span class="negative-margin"> a </span></span>No</span></div>
   </div>
 </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/cobalt/layout_tests/testdata/css-2-1/9-9-1-stacking-contexts-and-containing-blocks-in-separate-subtrees.html b/cobalt/layout_tests/testdata/css-2-1/9-9-1-stacking-contexts-and-containing-blocks-in-separate-subtrees.html
index 5fabe2f756a5..6b5421d850d9 100644
--- a/cobalt/layout_tests/testdata/css-2-1/9-9-1-stacking-contexts-and-containing-blocks-in-separate-subtrees.html
+++ b/cobalt/layout_tests/testdata/css-2-1/9-9-1-stacking-contexts-and-containing-blocks-in-separate-subtrees.html
@@ -69,4 +69,3 @@
 </div>
 </body>
 </html>
-
diff --git a/cobalt/layout_tests/testdata/css-2-1/9-9-1-stacking-contexts-and-containing-blocks-with-transforms.html b/cobalt/layout_tests/testdata/css-2-1/9-9-1-stacking-contexts-and-containing-blocks-with-transforms.html
index 9743f20b0c4a..3488dbf07647 100644
--- a/cobalt/layout_tests/testdata/css-2-1/9-9-1-stacking-contexts-and-containing-blocks-with-transforms.html
+++ b/cobalt/layout_tests/testdata/css-2-1/9-9-1-stacking-contexts-and-containing-blocks-with-transforms.html
@@ -70,4 +70,3 @@
 </div>
 </body>
 </html>
-
diff --git a/cobalt/layout_tests/testdata/css-text-3/6-2-gracefully-handle-unbreakable-overflow-word-with-overflow-wrap-break-word.html b/cobalt/layout_tests/testdata/css-text-3/6-2-gracefully-handle-unbreakable-overflow-word-with-overflow-wrap-break-word.html
index 1a55dbb61fa2..c9e527b7711b 100644
--- a/cobalt/layout_tests/testdata/css-text-3/6-2-gracefully-handle-unbreakable-overflow-word-with-overflow-wrap-break-word.html
+++ b/cobalt/layout_tests/testdata/css-text-3/6-2-gracefully-handle-unbreakable-overflow-word-with-overflow-wrap-break-word.html
@@ -22,4 +22,4 @@
 <body>
   <div class="containing-block">a</div>
 </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/cobalt/layout_tests/testdata/css-text-3/7-1-text-align-values-left-center-right-should-not-base-alignment-on-line-box-direction.html b/cobalt/layout_tests/testdata/css-text-3/7-1-text-align-values-left-center-right-should-not-base-alignment-on-line-box-direction.html
index 80ac02b595cc..6f5d3606d217 100644
--- a/cobalt/layout_tests/testdata/css-text-3/7-1-text-align-values-left-center-right-should-not-base-alignment-on-line-box-direction.html
+++ b/cobalt/layout_tests/testdata/css-text-3/7-1-text-align-values-left-center-right-should-not-base-alignment-on-line-box-direction.html
@@ -51,4 +51,4 @@
     <span>abcdefghijklm nopqrstuvwxyz</span>
   </div>
 </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/cobalt/layout_tests/testdata/css3-animations/layout_tests.txt b/cobalt/layout_tests/testdata/css3-animations/layout_tests.txt
index 7ea7b0fa09ec..a3bda5b5c833 100644
--- a/cobalt/layout_tests/testdata/css3-animations/layout_tests.txt
+++ b/cobalt/layout_tests/testdata/css3-animations/layout_tests.txt
@@ -6,4 +6,3 @@
 3-simple-animation
 canceled_animation_should_not_get_animationend_event
 removed_animation_from_other_animationend_event_handler_should_still_get_animationend_event
-
diff --git a/cobalt/layout_tests/testdata/css3-background/14-2-1-background-with-color-image-repeat-position.html b/cobalt/layout_tests/testdata/css3-background/14-2-1-background-with-color-image-repeat-position.html
index 71aeffa68ae8..59611edd5a13 100644
--- a/cobalt/layout_tests/testdata/css3-background/14-2-1-background-with-color-image-repeat-position.html
+++ b/cobalt/layout_tests/testdata/css3-background/14-2-1-background-with-color-image-repeat-position.html
@@ -36,4 +36,3 @@
   <div id='image'></div>
 </body>
 </html>
-
diff --git a/cobalt/layout_tests/testdata/css3-background/3-11-2-body-background-can-be-set-to-transparent-later.html b/cobalt/layout_tests/testdata/css3-background/3-11-2-body-background-can-be-set-to-transparent-later.html
index 6e33a1578caf..1d732e15092d 100644
--- a/cobalt/layout_tests/testdata/css3-background/3-11-2-body-background-can-be-set-to-transparent-later.html
+++ b/cobalt/layout_tests/testdata/css3-background/3-11-2-body-background-can-be-set-to-transparent-later.html
@@ -21,7 +21,7 @@
       if (window.testRunner) {
         window.testRunner.DoNonMeasuredLayout();
       }
-      
+
       document.body.style.backgroundColor = 'transparent';
 
       if (window.testRunner) {
diff --git a/cobalt/layout_tests/testdata/css3-background/4-1-border-color-2-values-with-rounded-corners.html b/cobalt/layout_tests/testdata/css3-background/4-1-border-color-2-values-with-rounded-corners.html
index 1fc226b523f0..f29c0c4e1b53 100644
--- a/cobalt/layout_tests/testdata/css3-background/4-1-border-color-2-values-with-rounded-corners.html
+++ b/cobalt/layout_tests/testdata/css3-background/4-1-border-color-2-values-with-rounded-corners.html
@@ -18,4 +18,4 @@
 <body>
   <div></div>
 </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/cobalt/layout_tests/testdata/css3-background/4-1-border-color-3-values-with-rounded-corners.html b/cobalt/layout_tests/testdata/css3-background/4-1-border-color-3-values-with-rounded-corners.html
index eb6b3e8314ec..e4484dd0afff 100644
--- a/cobalt/layout_tests/testdata/css3-background/4-1-border-color-3-values-with-rounded-corners.html
+++ b/cobalt/layout_tests/testdata/css3-background/4-1-border-color-3-values-with-rounded-corners.html
@@ -18,4 +18,4 @@
 <body>
   <div></div>
 </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/cobalt/layout_tests/testdata/css3-background/4-1-border-color-4-values-with-different-rounded-corners-and-different-border-widths.html b/cobalt/layout_tests/testdata/css3-background/4-1-border-color-4-values-with-different-rounded-corners-and-different-border-widths.html
index 9de0f5d711ed..331495a41161 100644
--- a/cobalt/layout_tests/testdata/css3-background/4-1-border-color-4-values-with-different-rounded-corners-and-different-border-widths.html
+++ b/cobalt/layout_tests/testdata/css3-background/4-1-border-color-4-values-with-different-rounded-corners-and-different-border-widths.html
@@ -22,4 +22,4 @@
 <body>
   <div></div>
 </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/cobalt/layout_tests/testdata/css3-background/4-1-border-color-4-values-with-different-rounded-corners.html b/cobalt/layout_tests/testdata/css3-background/4-1-border-color-4-values-with-different-rounded-corners.html
index 071f22c99e37..66d58c6eadd0 100644
--- a/cobalt/layout_tests/testdata/css3-background/4-1-border-color-4-values-with-different-rounded-corners.html
+++ b/cobalt/layout_tests/testdata/css3-background/4-1-border-color-4-values-with-different-rounded-corners.html
@@ -20,4 +20,4 @@
 <body>
   <div></div>
 </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/cobalt/layout_tests/testdata/css3-background/4-3-border-width-2-values-with-rounded-corners.html b/cobalt/layout_tests/testdata/css3-background/4-3-border-width-2-values-with-rounded-corners.html
index c092ca54f54b..fd95b72c025a 100644
--- a/cobalt/layout_tests/testdata/css3-background/4-3-border-width-2-values-with-rounded-corners.html
+++ b/cobalt/layout_tests/testdata/css3-background/4-3-border-width-2-values-with-rounded-corners.html
@@ -18,4 +18,4 @@
 <body>
   <div></div>
 </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/cobalt/layout_tests/testdata/css3-background/4-3-border-width-3-values-with-rounded-corners.html b/cobalt/layout_tests/testdata/css3-background/4-3-border-width-3-values-with-rounded-corners.html
index 7693fff87dcc..bf0769a8ebb3 100644
--- a/cobalt/layout_tests/testdata/css3-background/4-3-border-width-3-values-with-rounded-corners.html
+++ b/cobalt/layout_tests/testdata/css3-background/4-3-border-width-3-values-with-rounded-corners.html
@@ -18,4 +18,4 @@
 <body>
   <div></div>
 </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/cobalt/layout_tests/testdata/css3-background/4-3-border-width-4-values-with-different-rounded-corners.html b/cobalt/layout_tests/testdata/css3-background/4-3-border-width-4-values-with-different-rounded-corners.html
index 4a335120927e..cc5a2499b7e1 100644
--- a/cobalt/layout_tests/testdata/css3-background/4-3-border-width-4-values-with-different-rounded-corners.html
+++ b/cobalt/layout_tests/testdata/css3-background/4-3-border-width-4-values-with-different-rounded-corners.html
@@ -20,4 +20,4 @@
 <body>
   <div></div>
 </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-2-values-with-background-color-and-border-and-inset-shadow.html b/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-2-values-with-background-color-and-border-and-inset-shadow.html
index a46b00a27819..5c877597bd1f 100644
--- a/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-2-values-with-background-color-and-border-and-inset-shadow.html
+++ b/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-2-values-with-background-color-and-border-and-inset-shadow.html
@@ -22,4 +22,4 @@
 <body>
   <div></div>
 </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-2-values-with-background-color-and-border-and-outset-shadow.html b/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-2-values-with-background-color-and-border-and-outset-shadow.html
index 1cc13592c7af..530d7ac22040 100644
--- a/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-2-values-with-background-color-and-border-and-outset-shadow.html
+++ b/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-2-values-with-background-color-and-border-and-outset-shadow.html
@@ -22,4 +22,4 @@
 <body>
   <div></div>
 </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-2-values-with-background-color-and-border.html b/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-2-values-with-background-color-and-border.html
index 63e282671e13..5e980d8db864 100644
--- a/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-2-values-with-background-color-and-border.html
+++ b/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-2-values-with-background-color-and-border.html
@@ -21,4 +21,4 @@
 <body>
   <div></div>
 </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-2-values-with-background-color.html b/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-2-values-with-background-color.html
index 9dc458158339..5772e67edb86 100644
--- a/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-2-values-with-background-color.html
+++ b/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-2-values-with-background-color.html
@@ -19,4 +19,4 @@
 <body>
   <div></div>
 </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-2-values-with-border-only.html b/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-2-values-with-border-only.html
index 0b16b13312be..ef97127458e6 100644
--- a/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-2-values-with-border-only.html
+++ b/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-2-values-with-border-only.html
@@ -19,4 +19,4 @@
 <body>
   <div></div>
 </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-3-values-with-background-color-and-border-and-outset-shadow.html b/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-3-values-with-background-color-and-border-and-outset-shadow.html
index 3e5517a7ae27..19002fc0c79f 100644
--- a/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-3-values-with-background-color-and-border-and-outset-shadow.html
+++ b/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-3-values-with-background-color-and-border-and-outset-shadow.html
@@ -22,4 +22,4 @@
 <body>
   <div></div>
 </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-3-values-with-background-color-and-inset-shadow.html b/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-3-values-with-background-color-and-inset-shadow.html
index d453c0fa6c3b..4e53fe2cf1b7 100644
--- a/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-3-values-with-background-color-and-inset-shadow.html
+++ b/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-3-values-with-background-color-and-inset-shadow.html
@@ -21,4 +21,4 @@
 <body>
   <div></div>
 </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-3-values-with-background-color-and-outset-shadow.html b/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-3-values-with-background-color-and-outset-shadow.html
index dac58e5054ad..f98e71038e49 100644
--- a/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-3-values-with-background-color-and-outset-shadow.html
+++ b/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-3-values-with-background-color-and-outset-shadow.html
@@ -21,4 +21,4 @@
 <body>
   <div></div>
 </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-3-values-with-background-color.html b/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-3-values-with-background-color.html
index 47866c007218..53d005d4ab87 100644
--- a/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-3-values-with-background-color.html
+++ b/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-3-values-with-background-color.html
@@ -19,4 +19,4 @@
 <body>
   <div></div>
 </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-3-values-with-border-only.html b/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-3-values-with-border-only.html
index 56de16a1714a..950494bbfe6f 100644
--- a/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-3-values-with-border-only.html
+++ b/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-3-values-with-border-only.html
@@ -19,4 +19,4 @@
 <body>
   <div></div>
 </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-4-values-with-background-color-and-border-and-inset-shadow.html b/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-4-values-with-background-color-and-border-and-inset-shadow.html
index 4ec00df7d67a..2dab33635793 100644
--- a/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-4-values-with-background-color-and-border-and-inset-shadow.html
+++ b/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-4-values-with-background-color-and-border-and-inset-shadow.html
@@ -22,4 +22,4 @@
 <body>
   <div></div>
 </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-4-values-with-background-color-and-border-and-outset-shadow.html b/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-4-values-with-background-color-and-border-and-outset-shadow.html
index 256fe379ebc2..e2acc4a23388 100644
--- a/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-4-values-with-background-color-and-border-and-outset-shadow.html
+++ b/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-4-values-with-background-color-and-border-and-outset-shadow.html
@@ -22,4 +22,4 @@
 <body>
   <div></div>
 </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-4-values-with-background-color-and-border.html b/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-4-values-with-background-color-and-border.html
index c4195805e989..4526cbf58f5f 100644
--- a/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-4-values-with-background-color-and-border.html
+++ b/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-4-values-with-background-color-and-border.html
@@ -21,4 +21,4 @@
 <body>
   <div></div>
 </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-4-values-with-background-color-and-inset-shadow.html b/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-4-values-with-background-color-and-inset-shadow.html
index c443b15529bb..96e435c1a40a 100644
--- a/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-4-values-with-background-color-and-inset-shadow.html
+++ b/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-4-values-with-background-color-and-inset-shadow.html
@@ -21,4 +21,4 @@
 <body>
   <div></div>
 </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-4-values-with-background-color-and-outset-shadow.html b/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-4-values-with-background-color-and-outset-shadow.html
index c9bfeb83c8dd..f100868aad2d 100644
--- a/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-4-values-with-background-color-and-outset-shadow.html
+++ b/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-4-values-with-background-color-and-outset-shadow.html
@@ -21,4 +21,4 @@
 <body>
   <div></div>
 </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-4-values-with-background-color.html b/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-4-values-with-background-color.html
index 035a5891ac3c..bd1e169f7d99 100644
--- a/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-4-values-with-background-color.html
+++ b/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-4-values-with-background-color.html
@@ -19,4 +19,4 @@
 <body>
   <div></div>
 </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-4-values-with-border-only.html b/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-4-values-with-border-only.html
index 5cf86bb10e15..363052c92f58 100644
--- a/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-4-values-with-border-only.html
+++ b/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-4-values-with-border-only.html
@@ -19,4 +19,4 @@
 <body>
   <div></div>
 </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-with-zero-value-and-background-color-and-border-and-inset-shadow.html b/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-with-zero-value-and-background-color-and-border-and-inset-shadow.html
index b969b0a64189..bf515c7b4ac2 100644
--- a/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-with-zero-value-and-background-color-and-border-and-inset-shadow.html
+++ b/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-with-zero-value-and-background-color-and-border-and-inset-shadow.html
@@ -22,4 +22,4 @@
 <body>
   <div></div>
 </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-with-zero-value-and-background-color-and-border-and-outset-shadow.html b/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-with-zero-value-and-background-color-and-border-and-outset-shadow.html
index 3ec1d9267260..90101f04d59c 100644
--- a/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-with-zero-value-and-background-color-and-border-and-outset-shadow.html
+++ b/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-with-zero-value-and-background-color-and-border-and-outset-shadow.html
@@ -22,4 +22,4 @@
 <body>
   <div></div>
 </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-with-zero-value-and-background-color-and-border.html b/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-with-zero-value-and-background-color-and-border.html
index 390ecf9a6b48..ef733e505b56 100644
--- a/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-with-zero-value-and-background-color-and-border.html
+++ b/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-with-zero-value-and-background-color-and-border.html
@@ -21,4 +21,4 @@
 <body>
   <div></div>
 </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-with-zero-value-and-background-color-and-inset-shadow.html b/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-with-zero-value-and-background-color-and-inset-shadow.html
index 30a32f806ab2..d19f246b1763 100644
--- a/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-with-zero-value-and-background-color-and-inset-shadow.html
+++ b/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-with-zero-value-and-background-color-and-inset-shadow.html
@@ -21,4 +21,4 @@
 <body>
   <div></div>
 </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-with-zero-value-and-background-color-and-outset-shadow.html b/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-with-zero-value-and-background-color-and-outset-shadow.html
index 9f4781d09f7a..e4c8c8d75bb1 100644
--- a/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-with-zero-value-and-background-color-and-outset-shadow.html
+++ b/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-with-zero-value-and-background-color-and-outset-shadow.html
@@ -21,4 +21,4 @@
 <body>
   <div></div>
 </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-with-zero-value-and-background-color.html b/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-with-zero-value-and-background-color.html
index 6a23bd8f508a..7e74ac8ece4c 100644
--- a/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-with-zero-value-and-background-color.html
+++ b/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-with-zero-value-and-background-color.html
@@ -20,4 +20,3 @@
   <div></div>
 </body>
 </html>
-
diff --git a/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-with-zero-value-and-border-only.html b/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-with-zero-value-and-border-only.html
index 5cfffb1e378f..fceff79df471 100644
--- a/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-with-zero-value-and-border-only.html
+++ b/cobalt/layout_tests/testdata/css3-background/5-0-border-radius-with-zero-value-and-border-only.html
@@ -20,4 +20,3 @@
   <div></div>
 </body>
 </html>
-
diff --git a/cobalt/layout_tests/testdata/css3-flexbox/combined-baseline.html b/cobalt/layout_tests/testdata/css3-flexbox/combined-baseline.html
index ec8d3a29eb60..44a1a2a48d3b 100644
--- a/cobalt/layout_tests/testdata/css3-flexbox/combined-baseline.html
+++ b/cobalt/layout_tests/testdata/css3-flexbox/combined-baseline.html
@@ -77,7 +77,7 @@
   <span style="align-self: center;">center</span>
   <span class="vsized" style="align-self: stretch;">stretch</span>
 </div>
-hg- 
+hg-
 </div><div>
 -hg
 <div class="vsized inlineflex row container">
@@ -105,7 +105,7 @@
   <span style="font-size: 2em; align-self: baseline;">hg</span>
   <span class="vsized" style="align-self: stretch;">stretch</span>
 </div>
-hg- 
+hg-
 </div><div>
 -hg
 <div class="vsized inlineflex row container">
@@ -134,7 +134,7 @@
   <span style="font-size: 2em; align-self: baseline;">hg</span>
   <span style="align-self: baseline;">hg</span>
 </div>
-hg- 
+hg-
 </div><div>
 -hg
 <div class="vsized inlineflex row container">
@@ -178,4 +178,3 @@
 
 </body>
 </html>
-
diff --git a/cobalt/layout_tests/testdata/css3-flexbox/combined-container-sizing-edge-cases.html b/cobalt/layout_tests/testdata/css3-flexbox/combined-container-sizing-edge-cases.html
index 7031bc383f98..edb56c24a49b 100644
--- a/cobalt/layout_tests/testdata/css3-flexbox/combined-container-sizing-edge-cases.html
+++ b/cobalt/layout_tests/testdata/css3-flexbox/combined-container-sizing-edge-cases.html
@@ -116,4 +116,3 @@
 
 </body>
 </html>
-
diff --git a/cobalt/layout_tests/testdata/css3-flexbox/combined-order-and-multiline.html b/cobalt/layout_tests/testdata/css3-flexbox/combined-order-and-multiline.html
index 927dfa9f006a..249bfb64e86f 100644
--- a/cobalt/layout_tests/testdata/css3-flexbox/combined-order-and-multiline.html
+++ b/cobalt/layout_tests/testdata/css3-flexbox/combined-order-and-multiline.html
@@ -77,4 +77,3 @@
 </div>
 </body>
 </html>
-
diff --git a/cobalt/layout_tests/testdata/css3-flexbox/combined-positioning-tests.html b/cobalt/layout_tests/testdata/css3-flexbox/combined-positioning-tests.html
index 263384ee4996..200d687e9649 100644
--- a/cobalt/layout_tests/testdata/css3-flexbox/combined-positioning-tests.html
+++ b/cobalt/layout_tests/testdata/css3-flexbox/combined-positioning-tests.html
@@ -140,4 +140,3 @@
 
 </body>
 </html>
-
diff --git a/cobalt/layout_tests/testdata/css3-flexbox/combined-shrinking-and-justify-content.html b/cobalt/layout_tests/testdata/css3-flexbox/combined-shrinking-and-justify-content.html
index 128a8f078cba..c7c663ba96e4 100644
--- a/cobalt/layout_tests/testdata/css3-flexbox/combined-shrinking-and-justify-content.html
+++ b/cobalt/layout_tests/testdata/css3-flexbox/combined-shrinking-and-justify-content.html
@@ -268,4 +268,3 @@
 
 </body>
 </html>
-
diff --git a/cobalt/layout_tests/testdata/css3-flexbox/combined-with-baselines-percentages.html b/cobalt/layout_tests/testdata/css3-flexbox/combined-with-baselines-percentages.html
index dc516bd34320..b0af18727c65 100644
--- a/cobalt/layout_tests/testdata/css3-flexbox/combined-with-baselines-percentages.html
+++ b/cobalt/layout_tests/testdata/css3-flexbox/combined-with-baselines-percentages.html
@@ -203,4 +203,3 @@
 
 </body>
 </html>
-
diff --git a/cobalt/layout_tests/testdata/css3-flexbox/content-based-minimum-size.html b/cobalt/layout_tests/testdata/css3-flexbox/content-based-minimum-size.html
index c9dd6b757fae..76af0d17f19c 100644
--- a/cobalt/layout_tests/testdata/css3-flexbox/content-based-minimum-size.html
+++ b/cobalt/layout_tests/testdata/css3-flexbox/content-based-minimum-size.html
@@ -67,4 +67,3 @@
 
 </body>
 </html>
-
diff --git a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flex-001.html b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flex-001.html
index 815c29f832b5..7458ab28c84e 100644
--- a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flex-001.html
+++ b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flex-001.html
@@ -41,7 +41,6 @@
             <div id="flexItem1"></div>
             <div></div>
         </div>
-    
 
-</body></html>
 
+</body></html>
diff --git a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flex-002.html b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flex-002.html
index 707d15f90570..49f729eb76cd 100644
--- a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flex-002.html
+++ b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flex-002.html
@@ -58,6 +58,6 @@
             <div id="flexItem2"></div>
         </div>
         <div id="ref1"></div><div id="ref2"></div>
-    
+
 
 </body></html>
diff --git a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flex-003.html b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flex-003.html
index 0051e30d4547..a5f5ff3557e0 100644
--- a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flex-003.html
+++ b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flex-003.html
@@ -59,6 +59,6 @@
             <div id="flexItem2"></div>
         </div>
         <div id="ref1"></div><div id="ref2"></div>
-    
+
 
 </body></html>
diff --git a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flex-004.html b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flex-004.html
index 6ab472daa3f6..072ec9a66ca6 100644
--- a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flex-004.html
+++ b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flex-004.html
@@ -59,6 +59,6 @@
             <div id="flexItem2"></div>
         </div>
         <div id="ref1"></div><div id="ref2"></div>
-    
+
 
 </body></html>
diff --git a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-0-0-unitless.html b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-0-0-unitless.html
index 13cd33d69b42..ce0e38de857d 100644
--- a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-0-0-unitless.html
+++ b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-0-0-unitless.html
@@ -36,4 +36,3 @@
 	<span style="background: #808080;">four</span>
 </div>
 </body></html>
-
diff --git a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-0-N-shrink.html b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-0-N-shrink.html
index 6fd71f122b9b..e3682506e4c5 100644
--- a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-0-N-shrink.html
+++ b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-0-N-shrink.html
@@ -39,4 +39,4 @@
 	<span style="background: #ADD8E6;">three</span>
 	<span style="background: #808080;">four</span>
 </div>
-</body></html>
\ No newline at end of file
+</body></html>
diff --git a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-0-N-unitless-basis.html b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-0-N-unitless-basis.html
index ff2757283f32..5656b529dcf4 100644
--- a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-0-N-unitless-basis.html
+++ b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-0-N-unitless-basis.html
@@ -39,4 +39,4 @@
 	<span style="background: #ADD8E6;">three</span>
 	<span style="background: #808080;">four</span>
 </div>
-</body></html>
\ No newline at end of file
+</body></html>
diff --git a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-0-N.html b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-0-N.html
index 4282bbba6e72..79e81bd26147 100644
--- a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-0-N.html
+++ b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-0-N.html
@@ -39,4 +39,4 @@
 	<span style="background: #ADD8E6;">three</span>
 	<span style="background: #808080;">four</span>
 </div>
-</body></html>
\ No newline at end of file
+</body></html>
diff --git a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-0-Npercent-shrink.html b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-0-Npercent-shrink.html
index 653d7fb8a930..62dc9cf3a35b 100644
--- a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-0-Npercent-shrink.html
+++ b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-0-Npercent-shrink.html
@@ -39,4 +39,4 @@
 	<span style="background: #ADD8E6;">three</span>
 	<span style="background: #808080;">four</span>
 </div>
-</body></html>
\ No newline at end of file
+</body></html>
diff --git a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-0-Npercent.html b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-0-Npercent.html
index cd5218792c88..49da4c3995eb 100644
--- a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-0-Npercent.html
+++ b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-0-Npercent.html
@@ -39,4 +39,4 @@
 	<span style="background: #ADD8E6;">three</span>
 	<span style="background: #808080;">four</span>
 </div>
-</body></html>
\ No newline at end of file
+</body></html>
diff --git a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-0-auto-shrink.html b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-0-auto-shrink.html
index 82f31962c25a..330777e1c406 100644
--- a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-0-auto-shrink.html
+++ b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-0-auto-shrink.html
@@ -39,4 +39,4 @@
 	<span style="background: #ADD8E6;">three</span>
 	<span style="background: #808080;">four</span>
 </div>
-</body></html>
\ No newline at end of file
+</body></html>
diff --git a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-1-0-unitless.html b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-1-0-unitless.html
index b5a184e1d7f3..b1b4593f88c9 100644
--- a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-1-0-unitless.html
+++ b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-1-0-unitless.html
@@ -39,4 +39,4 @@
 	<span style="background: #ADD8E6;">three</span>
 	<span style="background: #808080;">four</span>
 </div>
-</body></html>
\ No newline at end of file
+</body></html>
diff --git a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-1-0.html b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-1-0.html
index f384e46199c9..c51c7d30af61 100644
--- a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-1-0.html
+++ b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-1-0.html
@@ -39,4 +39,4 @@
 	<span style="background: #ADD8E6;">three</span>
 	<span style="background: #808080;">four</span>
 </div>
-</body></html>
\ No newline at end of file
+</body></html>
diff --git a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-1-1-unitless-basis.html b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-1-1-unitless-basis.html
index cfb60db808fa..db30d11cf601 100644
--- a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-1-1-unitless-basis.html
+++ b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-1-1-unitless-basis.html
@@ -39,4 +39,4 @@
 	<span style="background: #ADD8E6;">three</span>
 	<span style="background: #808080;">four</span>
 </div>
-</body></html>
\ No newline at end of file
+</body></html>
diff --git a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-1-N-shrink.html b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-1-N-shrink.html
index fee08672a8c7..b453da560585 100644
--- a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-1-N-shrink.html
+++ b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-1-N-shrink.html
@@ -39,4 +39,4 @@
 	<span style="background: #ADD8E6;">three</span>
 	<span style="background: #808080;">four</span>
 </div>
-</body></html>
\ No newline at end of file
+</body></html>
diff --git a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-1-N-unitless-basis.html b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-1-N-unitless-basis.html
index ef1642cdcef2..0c267819330a 100644
--- a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-1-N-unitless-basis.html
+++ b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-1-N-unitless-basis.html
@@ -39,4 +39,4 @@
 	<span style="background: #ADD8E6;">three</span>
 	<span style="background: #808080;">four</span>
 </div>
-</body></html>
\ No newline at end of file
+</body></html>
diff --git a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-1-N.html b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-1-N.html
index 53b2092a441a..f685f88898b9 100644
--- a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-1-N.html
+++ b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-1-N.html
@@ -39,4 +39,4 @@
 	<span style="background: #ADD8E6;">three</span>
 	<span style="background: #808080;">four</span>
 </div>
-</body></html>
\ No newline at end of file
+</body></html>
diff --git a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-1-Npercent-shrink.html b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-1-Npercent-shrink.html
index 85de799667cc..e478c8014dd8 100644
--- a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-1-Npercent-shrink.html
+++ b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-1-Npercent-shrink.html
@@ -39,4 +39,4 @@
 	<span style="background: #ADD8E6;">three</span>
 	<span style="background: #808080;">four</span>
 </div>
-</body></html>
\ No newline at end of file
+</body></html>
diff --git a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-1-Npercent.html b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-1-Npercent.html
index cbbbfdf49ea6..d73333c312ef 100644
--- a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-1-Npercent.html
+++ b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-1-Npercent.html
@@ -39,4 +39,4 @@
 	<span style="background: #ADD8E6;">three</span>
 	<span style="background: #808080;">four</span>
 </div>
-</body></html>
\ No newline at end of file
+</body></html>
diff --git a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-1-auto-shrink.html b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-1-auto-shrink.html
index 6b5af92f4550..a348f4691f09 100644
--- a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-1-auto-shrink.html
+++ b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-1-auto-shrink.html
@@ -39,4 +39,4 @@
 	<span style="background: #ADD8E6;">three</span>
 	<span style="background: #808080;">four</span>
 </div>
-</body></html>
\ No newline at end of file
+</body></html>
diff --git a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-1-auto.html b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-1-auto.html
index 83942939fc55..15144de08fa8 100644
--- a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-1-auto.html
+++ b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-1-auto.html
@@ -39,4 +39,4 @@
 	<span style="background: #ADD8E6;">three</span>
 	<span style="background: #808080;">four</span>
 </div>
-</body></html>
\ No newline at end of file
+</body></html>
diff --git a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-1.html b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-1.html
index 23133bed7a2f..2eb285c4fac9 100644
--- a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-1.html
+++ b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-1.html
@@ -39,4 +39,4 @@
 	<span style="background: #ADD8E6;">three</span>
 	<span style="background: #808080;">four</span>
 </div>
-</body></html>
\ No newline at end of file
+</body></html>
diff --git a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-N-0-unitless.html b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-N-0-unitless.html
index ad1172326def..8d77f05ad0fa 100644
--- a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-N-0-unitless.html
+++ b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-N-0-unitless.html
@@ -39,4 +39,4 @@
 	<span style="background: #ADD8E6;">three</span>
 	<span style="background: #808080;">four</span>
 </div>
-</body></html>
\ No newline at end of file
+</body></html>
diff --git a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-N-0.html b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-N-0.html
index 559137101c88..0a8121cbf5e5 100644
--- a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-N-0.html
+++ b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-N-0.html
@@ -39,4 +39,4 @@
 	<span style="background: #ADD8E6;">three</span>
 	<span style="background: #808080;">four</span>
 </div>
-</body></html>
\ No newline at end of file
+</body></html>
diff --git a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-N-N-shrink.html b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-N-N-shrink.html
index c1f96644d311..1fc2920d2dae 100644
--- a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-N-N-shrink.html
+++ b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-N-N-shrink.html
@@ -39,4 +39,4 @@
 	<span style="background: #ADD8E6;">three</span>
 	<span style="background: #808080;">four</span>
 </div>
-</body></html>
\ No newline at end of file
+</body></html>
diff --git a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-N-N.html b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-N-N.html
index 87a779a33ac6..045aa1f1e5bd 100644
--- a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-N-N.html
+++ b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-N-N.html
@@ -39,4 +39,4 @@
 	<span style="background: #ADD8E6;">three</span>
 	<span style="background: #808080;">four</span>
 </div>
-</body></html>
\ No newline at end of file
+</body></html>
diff --git a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-N-Npercent-shrink.html b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-N-Npercent-shrink.html
index bdb31b91676f..a64bd60cab06 100644
--- a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-N-Npercent-shrink.html
+++ b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-N-Npercent-shrink.html
@@ -39,4 +39,4 @@
 	<span style="background: #ADD8E6;">three</span>
 	<span style="background: #808080;">four</span>
 </div>
-</body></html>
\ No newline at end of file
+</body></html>
diff --git a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-N-Npercent.html b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-N-Npercent.html
index c5ef2286697a..27a2c79f9c97 100644
--- a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-N-Npercent.html
+++ b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-N-Npercent.html
@@ -39,4 +39,4 @@
 	<span style="background: #ADD8E6;">three</span>
 	<span style="background: #808080;">four</span>
 </div>
-</body></html>
\ No newline at end of file
+</body></html>
diff --git a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-N-auto-shrink.html b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-N-auto-shrink.html
index 50b83629ae12..a9e0576b2a1a 100644
--- a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-N-auto-shrink.html
+++ b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-N-auto-shrink.html
@@ -39,4 +39,4 @@
 	<span style="background: #ADD8E6;">three</span>
 	<span style="background: #808080;">four</span>
 </div>
-</body></html>
\ No newline at end of file
+</body></html>
diff --git a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-N-auto.html b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-N-auto.html
index 1cad65a3d200..26fe5317bf7d 100644
--- a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-N-auto.html
+++ b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-N-auto.html
@@ -39,4 +39,4 @@
 	<span style="background: #ADD8E6;">three</span>
 	<span style="background: #808080;">four</span>
 </div>
-</body></html>
\ No newline at end of file
+</body></html>
diff --git a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-N.html b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-N.html
index 8ff465fdbcda..01475de0c103 100644
--- a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-N.html
+++ b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-0-N.html
@@ -39,4 +39,4 @@
 	<span style="background: #ADD8E6;">three</span>
 	<span style="background: #808080;">four</span>
 </div>
-</body></html>
\ No newline at end of file
+</body></html>
diff --git a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-0-0-unitless.html b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-0-0-unitless.html
index 1d91ca75466b..a6425247544b 100644
--- a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-0-0-unitless.html
+++ b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-0-0-unitless.html
@@ -39,4 +39,4 @@
 	<span style="background: #ADD8E6;">three</span>
 	<span style="background: #808080;">four</span>
 </div>
-</body></html>
\ No newline at end of file
+</body></html>
diff --git a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-0-0.html b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-0-0.html
index 1b872f31f56d..b5386de38ecb 100644
--- a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-0-0.html
+++ b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-0-0.html
@@ -39,4 +39,4 @@
 	<span style="background: #ADD8E6;">three</span>
 	<span style="background: #808080;">four</span>
 </div>
-</body></html>
\ No newline at end of file
+</body></html>
diff --git a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-0-N-shrink.html b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-0-N-shrink.html
index 6db4e483f60e..2fb4b997a251 100644
--- a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-0-N-shrink.html
+++ b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-0-N-shrink.html
@@ -39,4 +39,4 @@
 	<span style="background: #ADD8E6;">three</span>
 	<span style="background: #808080;">four</span>
 </div>
-</body></html>
\ No newline at end of file
+</body></html>
diff --git a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-0-N.html b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-0-N.html
index 143a3f88fe6f..d708f4850c2f 100644
--- a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-0-N.html
+++ b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-0-N.html
@@ -39,4 +39,4 @@
 	<span style="background: #ADD8E6;">three</span>
 	<span style="background: #808080;">four</span>
 </div>
-</body></html>
\ No newline at end of file
+</body></html>
diff --git a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-0-Npercent-shrink.html b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-0-Npercent-shrink.html
index 16accb5d61bd..b2454593c4bf 100644
--- a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-0-Npercent-shrink.html
+++ b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-0-Npercent-shrink.html
@@ -39,4 +39,4 @@
 	<span style="background: #ADD8E6;">three</span>
 	<span style="background: #808080;">four</span>
 </div>
-</body></html>
\ No newline at end of file
+</body></html>
diff --git a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-0-Npercent.html b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-0-Npercent.html
index 49f167c691a4..0f8df4896eee 100644
--- a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-0-Npercent.html
+++ b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-0-Npercent.html
@@ -39,4 +39,4 @@
 	<span style="background: #ADD8E6;">three</span>
 	<span style="background: #808080;">four</span>
 </div>
-</body></html>
\ No newline at end of file
+</body></html>
diff --git a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-0-auto-shrink.html b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-0-auto-shrink.html
index 3ac1b32c5928..1c1a6ecb27d5 100644
--- a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-0-auto-shrink.html
+++ b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-0-auto-shrink.html
@@ -39,4 +39,4 @@
 	<span style="background: #ADD8E6;">three</span>
 	<span style="background: #808080;">four</span>
 </div>
-</body></html>
\ No newline at end of file
+</body></html>
diff --git a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-0-auto.html b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-0-auto.html
index a47aa929c6cb..8d2c033b3b71 100644
--- a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-0-auto.html
+++ b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-0-auto.html
@@ -39,4 +39,4 @@
 	<span style="background: #ADD8E6;">three</span>
 	<span style="background: #808080;">four</span>
 </div>
-</body></html>
\ No newline at end of file
+</body></html>
diff --git a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-0.html b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-0.html
index 5f8120178496..e60a8c22c511 100644
--- a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-0.html
+++ b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-0.html
@@ -39,4 +39,4 @@
 	<span style="background: #ADD8E6;">three</span>
 	<span style="background: #808080;">four</span>
 </div>
-</body></html>
\ No newline at end of file
+</body></html>
diff --git a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-1-0-unitless.html b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-1-0-unitless.html
index d0ca3ad48ac1..53b92bacf966 100644
--- a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-1-0-unitless.html
+++ b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-1-0-unitless.html
@@ -39,4 +39,4 @@
 	<span style="background: #ADD8E6;">three</span>
 	<span style="background: #808080;">four</span>
 </div>
-</body></html>
\ No newline at end of file
+</body></html>
diff --git a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-1-0.html b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-1-0.html
index 36b42cf7c65e..d58687b88694 100644
--- a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-1-0.html
+++ b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-1-0.html
@@ -39,4 +39,4 @@
 	<span style="background: #ADD8E6;">three</span>
 	<span style="background: #808080;">four</span>
 </div>
-</body></html>
\ No newline at end of file
+</body></html>
diff --git a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-1-N-shrink.html b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-1-N-shrink.html
index 19f6aafc6ebc..6415cfc4dd71 100644
--- a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-1-N-shrink.html
+++ b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-1-N-shrink.html
@@ -39,4 +39,4 @@
 	<span style="background: #ADD8E6;">three</span>
 	<span style="background: #808080;">four</span>
 </div>
-</body></html>
\ No newline at end of file
+</body></html>
diff --git a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-1-N.html b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-1-N.html
index a4d66efcc3f0..e9141db0a1d5 100644
--- a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-1-N.html
+++ b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-1-N.html
@@ -39,4 +39,4 @@
 	<span style="background: #ADD8E6;">three</span>
 	<span style="background: #808080;">four</span>
 </div>
-</body></html>
\ No newline at end of file
+</body></html>
diff --git a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-1-Npercent-shrink.html b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-1-Npercent-shrink.html
index 7767e48ea03d..a3d0d2c6b1ab 100644
--- a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-1-Npercent-shrink.html
+++ b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-1-Npercent-shrink.html
@@ -39,4 +39,4 @@
 	<span style="background: #ADD8E6;">three</span>
 	<span style="background: #808080;">four</span>
 </div>
-</body></html>
\ No newline at end of file
+</body></html>
diff --git a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-1-Npercent.html b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-1-Npercent.html
index d418b74ac1b4..9718760b0b20 100644
--- a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-1-Npercent.html
+++ b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-1-Npercent.html
@@ -39,4 +39,4 @@
 	<span style="background: #ADD8E6;">three</span>
 	<span style="background: #808080;">four</span>
 </div>
-</body></html>
\ No newline at end of file
+</body></html>
diff --git a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-1-auto-shrink.html b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-1-auto-shrink.html
index c450b73001cd..35deb245050b 100644
--- a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-1-auto-shrink.html
+++ b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-1-auto-shrink.html
@@ -39,4 +39,4 @@
 	<span style="background: #ADD8E6;">three</span>
 	<span style="background: #808080;">four</span>
 </div>
-</body></html>
\ No newline at end of file
+</body></html>
diff --git a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-1-auto.html b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-1-auto.html
index 20429242b046..a8b3899cbdda 100644
--- a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-1-auto.html
+++ b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-1-auto.html
@@ -39,4 +39,4 @@
 	<span style="background: #ADD8E6;">three</span>
 	<span style="background: #808080;">four</span>
 </div>
-</body></html>
\ No newline at end of file
+</body></html>
diff --git a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-1.html b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-1.html
index 4beb0d04989f..48dbcac06500 100644
--- a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-1.html
+++ b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-1.html
@@ -39,4 +39,4 @@
 	<span style="background: #ADD8E6;">three</span>
 	<span style="background: #808080;">four</span>
 </div>
-</body></html>
\ No newline at end of file
+</body></html>
diff --git a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-N-0-unitless.html b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-N-0-unitless.html
index 50222c101934..7588068253b4 100644
--- a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-N-0-unitless.html
+++ b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-N-0-unitless.html
@@ -39,4 +39,4 @@
 	<span style="background: #ADD8E6;">three</span>
 	<span style="background: #808080;">four</span>
 </div>
-</body></html>
\ No newline at end of file
+</body></html>
diff --git a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-N-0.html b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-N-0.html
index 305b009e0054..fb1075bcb615 100644
--- a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-N-0.html
+++ b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-N-0.html
@@ -39,4 +39,4 @@
 	<span style="background: #ADD8E6;">three</span>
 	<span style="background: #808080;">four</span>
 </div>
-</body></html>
\ No newline at end of file
+</body></html>
diff --git a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-N-N-shrink.html b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-N-N-shrink.html
index d84e16748789..a0903649b80a 100644
--- a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-N-N-shrink.html
+++ b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-N-N-shrink.html
@@ -39,4 +39,4 @@
 	<span style="background: #ADD8E6;">three</span>
 	<span style="background: #808080;">four</span>
 </div>
-</body></html>
\ No newline at end of file
+</body></html>
diff --git a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-N-N.html b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-N-N.html
index 0ab462524741..c76b7162c67b 100644
--- a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-N-N.html
+++ b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-N-N.html
@@ -39,4 +39,4 @@
 	<span style="background: #ADD8E6;">three</span>
 	<span style="background: #808080;">four</span>
 </div>
-</body></html>
\ No newline at end of file
+</body></html>
diff --git a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-N-Npercent-shrink.html b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-N-Npercent-shrink.html
index 81a461650625..ea0d563b893d 100644
--- a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-N-Npercent-shrink.html
+++ b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-N-Npercent-shrink.html
@@ -39,4 +39,4 @@
 	<span style="background: #ADD8E6;">three</span>
 	<span style="background: #808080;">four</span>
 </div>
-</body></html>
\ No newline at end of file
+</body></html>
diff --git a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-N-Npercent.html b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-N-Npercent.html
index 70a627a05816..198708eeb7ff 100644
--- a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-N-Npercent.html
+++ b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-N-Npercent.html
@@ -39,4 +39,4 @@
 	<span style="background: #ADD8E6;">three</span>
 	<span style="background: #808080;">four</span>
 </div>
-</body></html>
\ No newline at end of file
+</body></html>
diff --git a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-N-auto-shrink.html b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-N-auto-shrink.html
index ab9b6241f08e..4b1e082f5adc 100644
--- a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-N-auto-shrink.html
+++ b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-N-auto-shrink.html
@@ -39,4 +39,4 @@
 	<span style="background: #ADD8E6;">three</span>
 	<span style="background: #808080;">four</span>
 </div>
-</body></html>
\ No newline at end of file
+</body></html>
diff --git a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-N-auto.html b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-N-auto.html
index 4db4360875a6..1a80f2c85b23 100644
--- a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-N-auto.html
+++ b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-N-auto.html
@@ -39,4 +39,4 @@
 	<span style="background: #ADD8E6;">three</span>
 	<span style="background: #808080;">four</span>
 </div>
-</body></html>
\ No newline at end of file
+</body></html>
diff --git a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-N.html b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-N.html
index 963ac549b449..ea0e2f368f36 100644
--- a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-N.html
+++ b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-1-N.html
@@ -39,4 +39,4 @@
 	<span style="background: #ADD8E6;">three</span>
 	<span style="background: #808080;">four</span>
 </div>
-</body></html>
\ No newline at end of file
+</body></html>
diff --git a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-0-0-unitless.html b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-0-0-unitless.html
index 3615e92d9e9d..d686ce57069a 100644
--- a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-0-0-unitless.html
+++ b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-0-0-unitless.html
@@ -39,4 +39,4 @@
 	<span style="background: #ADD8E6;">three</span>
 	<span style="background: #808080;">four</span>
 </div>
-</body></html>
\ No newline at end of file
+</body></html>
diff --git a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-0-0.html b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-0-0.html
index 2fc964e37119..57d5c5641226 100644
--- a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-0-0.html
+++ b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-0-0.html
@@ -39,4 +39,4 @@
 	<span style="background: #ADD8E6;">three</span>
 	<span style="background: #808080;">four</span>
 </div>
-</body></html>
\ No newline at end of file
+</body></html>
diff --git a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-0-N-shrink.html b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-0-N-shrink.html
index 49535e82d4d7..cc802b3cab21 100644
--- a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-0-N-shrink.html
+++ b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-0-N-shrink.html
@@ -39,4 +39,4 @@
 	<span style="background: #ADD8E6;">three</span>
 	<span style="background: #808080;">four</span>
 </div>
-</body></html>
\ No newline at end of file
+</body></html>
diff --git a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-0-N.html b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-0-N.html
index f92c08f85b21..cb592c539b33 100644
--- a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-0-N.html
+++ b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-0-N.html
@@ -39,4 +39,4 @@
 	<span style="background: #ADD8E6;">three</span>
 	<span style="background: #808080;">four</span>
 </div>
-</body></html>
\ No newline at end of file
+</body></html>
diff --git a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-0-Npercent-shrink.html b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-0-Npercent-shrink.html
index 078e7de5b568..5eb150ef6c29 100644
--- a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-0-Npercent-shrink.html
+++ b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-0-Npercent-shrink.html
@@ -39,4 +39,4 @@
 	<span style="background: #ADD8E6;">three</span>
 	<span style="background: #808080;">four</span>
 </div>
-</body></html>
\ No newline at end of file
+</body></html>
diff --git a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-0-Npercent.html b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-0-Npercent.html
index 742276def967..44f579045f5e 100644
--- a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-0-Npercent.html
+++ b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-0-Npercent.html
@@ -39,4 +39,4 @@
 	<span style="background: #ADD8E6;">three</span>
 	<span style="background: #808080;">four</span>
 </div>
-</body></html>
\ No newline at end of file
+</body></html>
diff --git a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-0-auto-shrink.html b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-0-auto-shrink.html
index 367c74f31783..d03276c3cb77 100644
--- a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-0-auto-shrink.html
+++ b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-0-auto-shrink.html
@@ -39,4 +39,4 @@
 	<span style="background: #ADD8E6;">three</span>
 	<span style="background: #808080;">four</span>
 </div>
-</body></html>
\ No newline at end of file
+</body></html>
diff --git a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-0-auto.html b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-0-auto.html
index e828eb1a9cbb..059b6e605148 100644
--- a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-0-auto.html
+++ b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-0-auto.html
@@ -39,4 +39,4 @@
 	<span style="background: #ADD8E6;">three</span>
 	<span style="background: #808080;">four</span>
 </div>
-</body></html>
\ No newline at end of file
+</body></html>
diff --git a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-0.html b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-0.html
index c7055f9c5983..eb833e1a41fa 100644
--- a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-0.html
+++ b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-0.html
@@ -39,4 +39,4 @@
 	<span style="background: #ADD8E6;">three</span>
 	<span style="background: #808080;">four</span>
 </div>
-</body></html>
\ No newline at end of file
+</body></html>
diff --git a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-1-0-unitless.html b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-1-0-unitless.html
index 47692f2b99ef..bb13fc48c21f 100644
--- a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-1-0-unitless.html
+++ b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-1-0-unitless.html
@@ -39,4 +39,4 @@
 	<span style="background: #ADD8E6;">three</span>
 	<span style="background: #808080;">four</span>
 </div>
-</body></html>
\ No newline at end of file
+</body></html>
diff --git a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-1-0.html b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-1-0.html
index 908d527ffaa2..cf117eb7643d 100644
--- a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-1-0.html
+++ b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-1-0.html
@@ -39,4 +39,4 @@
 	<span style="background: #ADD8E6;">three</span>
 	<span style="background: #808080;">four</span>
 </div>
-</body></html>
\ No newline at end of file
+</body></html>
diff --git a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-1-N-shrink.html b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-1-N-shrink.html
index a465efccc675..9ca70ae8d8e5 100644
--- a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-1-N-shrink.html
+++ b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-1-N-shrink.html
@@ -39,4 +39,4 @@
 	<span style="background: #ADD8E6;">three</span>
 	<span style="background: #808080;">four</span>
 </div>
-</body></html>
\ No newline at end of file
+</body></html>
diff --git a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-1-N.html b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-1-N.html
index 4ff4338f2b40..fe9f8596d59d 100644
--- a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-1-N.html
+++ b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-1-N.html
@@ -39,4 +39,4 @@
 	<span style="background: #ADD8E6;">three</span>
 	<span style="background: #808080;">four</span>
 </div>
-</body></html>
\ No newline at end of file
+</body></html>
diff --git a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-1-Npercent-shrink.html b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-1-Npercent-shrink.html
index 2f4aac2497f8..a15899dbfdf4 100644
--- a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-1-Npercent-shrink.html
+++ b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-1-Npercent-shrink.html
@@ -39,4 +39,4 @@
 	<span style="background: #ADD8E6;">three</span>
 	<span style="background: #808080;">four</span>
 </div>
-</body></html>
\ No newline at end of file
+</body></html>
diff --git a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-1-Npercent.html b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-1-Npercent.html
index f265c9f9b46d..ff463a06dcfd 100644
--- a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-1-Npercent.html
+++ b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-1-Npercent.html
@@ -39,4 +39,4 @@
 	<span style="background: #ADD8E6;">three</span>
 	<span style="background: #808080;">four</span>
 </div>
-</body></html>
\ No newline at end of file
+</body></html>
diff --git a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-1-auto-shrink.html b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-1-auto-shrink.html
index b1104db9ceaa..2e7702edb337 100644
--- a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-1-auto-shrink.html
+++ b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-1-auto-shrink.html
@@ -39,4 +39,4 @@
 	<span style="background: #ADD8E6;">three</span>
 	<span style="background: #808080;">four</span>
 </div>
-</body></html>
\ No newline at end of file
+</body></html>
diff --git a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-1-auto.html b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-1-auto.html
index cbdeebdea90b..9de8462ac05c 100644
--- a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-1-auto.html
+++ b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-1-auto.html
@@ -39,4 +39,4 @@
 	<span style="background: #ADD8E6;">three</span>
 	<span style="background: #808080;">four</span>
 </div>
-</body></html>
\ No newline at end of file
+</body></html>
diff --git a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-1.html b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-1.html
index b7b0dd579519..2e2ea35427ac 100644
--- a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-1.html
+++ b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-1.html
@@ -39,4 +39,4 @@
 	<span style="background: #ADD8E6;">three</span>
 	<span style="background: #808080;">four</span>
 </div>
-</body></html>
\ No newline at end of file
+</body></html>
diff --git a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-N-0-unitless.html b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-N-0-unitless.html
index caa8853fc115..fef5697e72f9 100644
--- a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-N-0-unitless.html
+++ b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-N-0-unitless.html
@@ -39,4 +39,4 @@
 	<span style="background: #ADD8E6;">three</span>
 	<span style="background: #808080;">four</span>
 </div>
-</body></html>
\ No newline at end of file
+</body></html>
diff --git a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-N-0.html b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-N-0.html
index 13aa94064b4a..8bc9302b183c 100644
--- a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-N-0.html
+++ b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-N-0.html
@@ -39,4 +39,4 @@
 	<span style="background: #ADD8E6;">three</span>
 	<span style="background: #808080;">four</span>
 </div>
-</body></html>
\ No newline at end of file
+</body></html>
diff --git a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-N-N-shrink.html b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-N-N-shrink.html
index 2b1ea71db986..ca0db7b20aad 100644
--- a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-N-N-shrink.html
+++ b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-N-N-shrink.html
@@ -39,4 +39,4 @@
 	<span style="background: #ADD8E6;">three</span>
 	<span style="background: #808080;">four</span>
 </div>
-</body></html>
\ No newline at end of file
+</body></html>
diff --git a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-N-N.html b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-N-N.html
index ef9ee60c3ed6..42b6bbeb2ec4 100644
--- a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-N-N.html
+++ b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-N-N.html
@@ -39,4 +39,4 @@
 	<span style="background: #ADD8E6;">three</span>
 	<span style="background: #808080;">four</span>
 </div>
-</body></html>
\ No newline at end of file
+</body></html>
diff --git a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-N-Npercent-shrink.html b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-N-Npercent-shrink.html
index 18cc9415d8d5..3f057f503e26 100644
--- a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-N-Npercent-shrink.html
+++ b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-N-Npercent-shrink.html
@@ -39,4 +39,4 @@
 	<span style="background: #ADD8E6;">three</span>
 	<span style="background: #808080;">four</span>
 </div>
-</body></html>
\ No newline at end of file
+</body></html>
diff --git a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-N-Npercent.html b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-N-Npercent.html
index f34d420fa76d..17b6b03871cc 100644
--- a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-N-Npercent.html
+++ b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-N-Npercent.html
@@ -39,4 +39,4 @@
 	<span style="background: #ADD8E6;">three</span>
 	<span style="background: #808080;">four</span>
 </div>
-</body></html>
\ No newline at end of file
+</body></html>
diff --git a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-N-auto-shrink.html b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-N-auto-shrink.html
index e9c477c3b973..8114550e4480 100644
--- a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-N-auto-shrink.html
+++ b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-N-auto-shrink.html
@@ -39,4 +39,4 @@
 	<span style="background: #ADD8E6;">three</span>
 	<span style="background: #808080;">four</span>
 </div>
-</body></html>
\ No newline at end of file
+</body></html>
diff --git a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-N-auto.html b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-N-auto.html
index 5632c6e1ba6d..8cd37b96723d 100644
--- a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-N-auto.html
+++ b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-N-auto.html
@@ -39,4 +39,4 @@
 	<span style="background: #ADD8E6;">three</span>
 	<span style="background: #808080;">four</span>
 </div>
-</body></html>
\ No newline at end of file
+</body></html>
diff --git a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-N.html b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-N.html
index af36e0b08de8..63375ac13092 100644
--- a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-N.html
+++ b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-N-N.html
@@ -39,4 +39,4 @@
 	<span style="background: #ADD8E6;">three</span>
 	<span style="background: #808080;">four</span>
 </div>
-</body></html>
\ No newline at end of file
+</body></html>
diff --git a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-natural-mixed-basis-auto.html b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-natural-mixed-basis-auto.html
index eaee53746168..cb96fb0c6fc3 100644
--- a/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-natural-mixed-basis-auto.html
+++ b/cobalt/layout_tests/testdata/css3-flexbox/csswg_flexbox_flex-natural-mixed-basis-auto.html
@@ -40,4 +40,3 @@
 	<span style="background: #808080;">&#x2588;&#x2588;&#x2588;&#x2588;&#x2588;&#x2588;&#x2588;&#x2588;&#x2588;&#x2588;&#x2588;&#x2588;&#x2588;&#x2588;&#x2588;</span>
 </div>
 </body></html>
-
diff --git a/cobalt/layout_tests/testdata/css3-images/4-1-2-gradient-in-middle.html b/cobalt/layout_tests/testdata/css3-images/4-1-2-gradient-in-middle.html
index 4972e3d28d45..37f57d969ea7 100644
--- a/cobalt/layout_tests/testdata/css3-images/4-1-2-gradient-in-middle.html
+++ b/cobalt/layout_tests/testdata/css3-images/4-1-2-gradient-in-middle.html
@@ -13,4 +13,3 @@
   <div></div>
 </body>
 </html>
-
diff --git a/cobalt/layout_tests/testdata/css3-images/4-1-2-multistop-one-dimensional-gradient.html b/cobalt/layout_tests/testdata/css3-images/4-1-2-multistop-one-dimensional-gradient.html
index 03019b7eda0e..7e58f183e2f6 100644
--- a/cobalt/layout_tests/testdata/css3-images/4-1-2-multistop-one-dimensional-gradient.html
+++ b/cobalt/layout_tests/testdata/css3-images/4-1-2-multistop-one-dimensional-gradient.html
@@ -13,4 +13,3 @@
   <div></div>
 </body>
 </html>
-
diff --git a/cobalt/layout_tests/testdata/css3-images/4-1-2-to-bottom-linear-gradient.html b/cobalt/layout_tests/testdata/css3-images/4-1-2-to-bottom-linear-gradient.html
index 36cdbcba54a8..ae0e528455aa 100644
--- a/cobalt/layout_tests/testdata/css3-images/4-1-2-to-bottom-linear-gradient.html
+++ b/cobalt/layout_tests/testdata/css3-images/4-1-2-to-bottom-linear-gradient.html
@@ -13,4 +13,3 @@
   <div></div>
 </body>
 </html>
-
diff --git a/cobalt/layout_tests/testdata/css3-images/4-1-2-to-left-linear-gradient.html b/cobalt/layout_tests/testdata/css3-images/4-1-2-to-left-linear-gradient.html
index b161dbd043d4..6d64d0e83e75 100644
--- a/cobalt/layout_tests/testdata/css3-images/4-1-2-to-left-linear-gradient.html
+++ b/cobalt/layout_tests/testdata/css3-images/4-1-2-to-left-linear-gradient.html
@@ -13,4 +13,3 @@
   <div></div>
 </body>
 </html>
-
diff --git a/cobalt/layout_tests/testdata/css3-images/4-1-2-to-right-linear-gradient.html b/cobalt/layout_tests/testdata/css3-images/4-1-2-to-right-linear-gradient.html
index e56d4909a98d..2f8b718a9f29 100644
--- a/cobalt/layout_tests/testdata/css3-images/4-1-2-to-right-linear-gradient.html
+++ b/cobalt/layout_tests/testdata/css3-images/4-1-2-to-right-linear-gradient.html
@@ -13,4 +13,3 @@
   <div></div>
 </body>
 </html>
-
diff --git a/cobalt/layout_tests/testdata/css3-images/4-1-2-to-top-linear-gradient.html b/cobalt/layout_tests/testdata/css3-images/4-1-2-to-top-linear-gradient.html
index 683c1da65257..ad7df892a8bd 100644
--- a/cobalt/layout_tests/testdata/css3-images/4-1-2-to-top-linear-gradient.html
+++ b/cobalt/layout_tests/testdata/css3-images/4-1-2-to-top-linear-gradient.html
@@ -13,4 +13,3 @@
   <div></div>
 </body>
 </html>
-
diff --git a/cobalt/layout_tests/testdata/css3-transitions/2-transition-for-inheritable-property-from-ancestor-should-occur.html b/cobalt/layout_tests/testdata/css3-transitions/2-transition-for-inheritable-property-from-ancestor-should-occur.html
index 7e7f0fc404ac..dd34ba5f075d 100644
--- a/cobalt/layout_tests/testdata/css3-transitions/2-transition-for-inheritable-property-from-ancestor-should-occur.html
+++ b/cobalt/layout_tests/testdata/css3-transitions/2-transition-for-inheritable-property-from-ancestor-should-occur.html
@@ -64,4 +64,4 @@
   </script>
 
 </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/cobalt/layout_tests/testdata/css3-transitions/2-transition-for-not-inheritable-property-from-ancestor-should-not-occur.html b/cobalt/layout_tests/testdata/css3-transitions/2-transition-for-not-inheritable-property-from-ancestor-should-not-occur.html
index cfb183127d60..f0a1b609d1e1 100644
--- a/cobalt/layout_tests/testdata/css3-transitions/2-transition-for-not-inheritable-property-from-ancestor-should-not-occur.html
+++ b/cobalt/layout_tests/testdata/css3-transitions/2-transition-for-not-inheritable-property-from-ancestor-should-not-occur.html
@@ -70,4 +70,4 @@
   </script>
 
 </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/cobalt/layout_tests/testdata/css3-ui/layout_tests.txt b/cobalt/layout_tests/testdata/css3-ui/layout_tests.txt
index fbfac8fdfcd9..c493b1445f04 100644
--- a/cobalt/layout_tests/testdata/css3-ui/layout_tests.txt
+++ b/cobalt/layout_tests/testdata/css3-ui/layout_tests.txt
@@ -20,4 +20,4 @@
 5-2-shaped-text-should-accurately-calculate-width-before-ellipsis
 5-2-text-overflow-clip-should-not-display-ellipsis-on-overflow
 5-2-text-overflow-ellipsis-should-display-ellipsis-on-overflow-when-overflow-is-hidden
-5-2-text-overflow-ellipsis-should-not-be-inherited
\ No newline at end of file
+5-2-text-overflow-ellipsis-should-not-be-inherited
diff --git a/cobalt/layout_tests/testdata/intersection-observer/observers-should-update-when-elements-move-without-threshold.html b/cobalt/layout_tests/testdata/intersection-observer/observers-should-update-when-elements-move-without-threshold.html
index 7d982cf99432..2460518228b9 100644
--- a/cobalt/layout_tests/testdata/intersection-observer/observers-should-update-when-elements-move-without-threshold.html
+++ b/cobalt/layout_tests/testdata/intersection-observer/observers-should-update-when-elements-move-without-threshold.html
@@ -66,7 +66,7 @@
         window.testRunner.DoNonMeasuredLayout();
       }
 
-      // Without waiting for requestAnimationFrame, only the movement is observed. 
+      // Without waiting for requestAnimationFrame, only the movement is observed.
       requestAnimationFrame(() => {
         window.setTimeout(() => {
           // Move the target element so that it is clearly no longer
diff --git a/cobalt/layout_tests/testdata/intersection-observer/previous-threshold-index-and-is-intersecting-fields-should-be-updated.html b/cobalt/layout_tests/testdata/intersection-observer/previous-threshold-index-and-is-intersecting-fields-should-be-updated.html
index f0604d507d22..3b9b9abf3d22 100644
--- a/cobalt/layout_tests/testdata/intersection-observer/previous-threshold-index-and-is-intersecting-fields-should-be-updated.html
+++ b/cobalt/layout_tests/testdata/intersection-observer/previous-threshold-index-and-is-intersecting-fields-should-be-updated.html
@@ -87,4 +87,4 @@
   </script>
 
 </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/cobalt/layout_tests/testdata/text-shaping/layout_tests.txt b/cobalt/layout_tests/testdata/text-shaping/layout_tests.txt
index 4b984e331da7..c35a0250bdfa 100644
--- a/cobalt/layout_tests/testdata/text-shaping/layout_tests.txt
+++ b/cobalt/layout_tests/testdata/text-shaping/layout_tests.txt
@@ -1 +1 @@
-combining-character-sequences-should-be-handled-properly
\ No newline at end of file
+combining-character-sequences-should-be-handled-properly
diff --git a/cobalt/layout_tests/testdata/web-platform-tests/intersection-observer/web_platform_tests.txt b/cobalt/layout_tests/testdata/web-platform-tests/intersection-observer/web_platform_tests.txt
index e5439941d70d..14f170ae1541 100644
--- a/cobalt/layout_tests/testdata/web-platform-tests/intersection-observer/web_platform_tests.txt
+++ b/cobalt/layout_tests/testdata/web-platform-tests/intersection-observer/web_platform_tests.txt
@@ -73,4 +73,4 @@ v2/cross-origin-effects.sub.html,DISABLE
 v2/cross-origin-occlusion.sub.html,DISABLE
 v2/iframe-target.html,DISABLE
 v2/scaled-target.html,DISABLE
-v2/text-shadow.html,DISABLE
\ No newline at end of file
+v2/text-shadow.html,DISABLE