manifest.json

{
  "manifest_version": 2,

  "name": "Double Click assets downloader",
  "author": "Luke Twomey & Carmen Chapa"
  "content_scripts": [
    {
      "run_at": "document_end",
      "matches": ["http://*/*", "https://*/*"],
      "js": ["jquery-3.2.1.min.js", "content.js"]
    }
  ],
  "description": "Bulk download all the items on a Google DoubleClick asset library page.",
  "version": "1.1",
  "icons": {                   
    "16": "images/icon16.png",         
    "24": "images/icon24.png",          
    "32": "images/icon32.png",
    "48": "images/icon48.png",
    "128": "images/icon128.png"
  },  
  "browser_action": {
    "default_icon": {                    
      "16": "images/icon16.png",         
      "24": "images/icon24.png",          
      "32": "images/icon32.png",
      "48": "images/icon48.png",
      "128": "images/icon128.png"
    },
    "default_popup": "popup.html"
  },
  "permissions": [
    "tabs",
    "activeTab",
    "downloads",
    "downloads.open",
    "http://*/*",
    "https://*/*"
  ],
  "background": {
    "scripts": ["background.js"],
    "persistent": false
  }
}