Examine source code of ReRes

{
  "name": "ReRes",
  "version": "1.8.1",
  "description": "Change the response of the request. ReRes可以用来更改页面请求响应的内容。通过指定规则，您可以把请求映射到其他的url，也可以映射到本机的文件或者目录。ReRes支持单个url映射，也支持目录映射。",
  "manifest_version": 2,
  "browser_action": {
    "default_icon": "icon.png",
    "default_title": "ReRes",
    "default_popup": "popup.html"
  },
  "options_page": "options.html",
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": true
  },
  "icons": {
    "16": "icon.png",
    "48": "icon48.png"
  },
  "permissions": [
    "tabs",
    "webRequest",
    "webRequestBlocking",
    "<all_urls>",
    "unlimitedStorage"
  ],
  "update_url": "http://clients2.google.com/service/update2/crx",
  "browser_specific_settings": {
    "gecko": {
      "id": "{74de36e6-168e-402e-a1d2-bb9ee20573b0}"
    }
  }
}