Examine source code of Block Unreachable Scripts

{
  "name": "__MSG_extensionName__",
  "author": "Terry Yuen",
  "version": "0.5resigned1",
  "description": "__MSG_extensionDescription__",
  "manifest_version": 2,
  "default_locale": "en",
  "icons": {
    "19": "page_19.png",
    "38": "page_38.png",
    "48": "page_48.png",
    "96": "page_96.png"
  },
  "permissions": [
    "<all_urls>",
    "webRequest",
    "webRequestBlocking",
    "storage",
    "tabs"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": true
  },
  "page_action": {
    "browser_style": true,
    "default_icon": {
      "19": "page_19.png",
      "38": "page_38.png"
    },
    "default_popup": "popup.html"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_start"
    }
  ],
  "options_ui": {
    "chrome_style": true,
    "page": "options.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{b2e86716-b8f6-421f-bcf3-ad970aade20c}"
    }
  }
}