Examine source code of Code Compliance

{
  "manifest_version" : 2 ,
  "name" : "Code Compliance",
  "description" : "Check a page's code compliance, see the errors & warnings by line. Works on local HTML and pages behind authentication.",
  "version" : "1.0.3",
  "icons" : {
    "16" : "icon16.png",
    "48" : "icon48.png",
    "128" : "icon128.png"
  },
  "background" : {
    "persistent" : false ,
    "scripts" : [
      "background.js" 
    ]
  },
  "content_scripts" : [
    {
      "matches" : [
        "<all_urls>" 
      ],
      "js" : [
        "content.js" 
      ],
      "run_at" : "document_idle" ,
      "all_frames" : false 
    }
  ],
  "page_action" : {
    "default_title" : "Code Compliance",
    "default_icon" : "icon.png",
    "default_popup" : "index.html"
  },
  "permissions" : [
    "<all_urls>" 
  ]
}