PDFium 127.0.6531.0

This version was built with branch chromium/6531 of PDFium

Changes

Commits between chromium/6517 and chromium/6531:

• Correctly handle image transparency in path objects
• Add tests for pdfium::span<> interoperability with gmock macros.
• Restore JPEG2000 colorspace mismatch handling workaround
• Mark two-arg WideString() constructor as UNSAFE_BUFFER_USAGE.
• Mark more two-arg fxcrt functions as UNSAFE_BUFFER_USAGE.
• Spanify FileAccessIface.
• Use the term "Binding" in place of "Private" in fxjs/.
• Rename FXJS_PerIsolateData to CFXJS_PerIsolateData.
• Do less work in JSGetObject()
• Mark two-arg ByteString() constructor as UNSAFE_BUFFER_USAGE.
• Enforce unsafe buffers on 2-arg StringViewTemplate constructor.
• Loosen palette check in FPDFImageObj_GetBitmap()
• Roll build/ 01e3c73f5..5b8c05aed (80 commits)
• Fix/Mark unsafe buffer regions is CJPX_Decoder
• Roll buildtools and libc++
• Remove calls to v8::FunctionCallbackInfo::Holder()
• Tidy some types in fxcodec/bmp.
• Resolve/mark unsafe regions in CFX_BmpDecompressor.
• Spanify usage of JBig2ArithCtx in fxcodec/jbig2
• Mark fxcodec::ReverseRGB() as UNSAFE_BUFFER_USAGE.
• Roll third_party/libunwind/src/ 419b03c0b..ab43b1d3c (7 commits)
• Roll third_party/libc++abi/src/ 51fe35844..c5d2b1886 (11 commits)
• Roll DEPS for abseil and clang
• Fix inconsistent return value from GetLiteralText().
• Resolve unsafe buffers warnings in blend.cpp
• Avoid safe numerics underflow trap in CJBig2_BitStream::getByteLeft().
• Roll Memory Tools from 2448d81f9741 to c5b623b3ba22 (1 revision)
• Roll Zlib from 7d77fb7fd66d to 209717dd69cd (3 revisions)
• Roll Instrumented Libraries from 682a735d9f5c to 1d704cadac0d (76 revisions)