manifest.json

{
  "name": "JSWrapper",
  "version": "1.0",
  "manifest_version": 2,
  "description" : "Wrapping JavaScript by interposing a layer between browser and native methods.\nPreventing information disclosure by enforcing data confidentiality.\n",
  "author" : "Andrea Baesso",
  
  "permissions": [
    "tabs",
    "pageCapture",
    "<all_urls>",
    "storage",
    "background",
    "webRequest",
    "webRequestBlocking"
  ],

  "browser_action": 
  {
    "default_icon" : {
      "16" : "images/icon2.png"      
    },
    "default_title": "Make this page safe",
    "default_popup": "html/Popup.html"
  },
  "background":{ 
    "scripts": [
      "scripts/Background.js"
    ]
  },
  "content_scripts":
  [
    {
      "matches": ["<all_urls>"],
      "run_at": "document_start",
      "all_frames": true,
      "js":  ["scripts/Before.js"],
      "match_about_blank":true
    },
    {
      "matches": ["<all_urls>"],
      "run_at": "document_end",
      "all_frames": true,
      "js":  ["scripts/After.js"],
      "match_about_blank":true
    }
  ] 
}