Examine source code of Host AdBlocker

{
  "manifest_version": 2,
  "default_locale": "en",
  "name": "Host AdBlocker",
  "version": "0.1.4",
  "description": "__MSG_appDesc__",
  "permissions": [
    "*://*/*",
    "storage",
    "webRequest",
    "webRequestBlocking"
  ],
  "icons": {
    "16": "data/icons/16.png",
    "32": "data/icons/32.png",
    "48": "data/icons/48.png",
    "64": "data/icons/64.png",
    "128": "data/icons/128.png",
    "256": "data/icons/256.png",
    "512": "data/icons/512.png"
  },
  "background": {
    "scripts": [
      "hosts.js",
      "background.js"
    ]
  },
  "browser_action": {},
  "content_scripts": [
    {
      "run_at": "document_start",
      "matches": [
        "*://*/*"
      ],
      "css": [
        "data//inject/hide.css"
      ],
      "all_frames": true,
      "match_about_blank": true
    }
  ],
  "options_ui": {
    "page": "/data/options/index.html",
    "chrome_style": true
  },
  "homepage_url": "https://add0n.com/adhost.html"
}