Examine source code of WebTools

{
  "manifest_version": 2,
  "name": "__MSG_appName__",
  "description": "__MSG_appDesc__",
  "version": "1.2.5.2",
  "default_locale": "en",
  "permissions": [],
  "omnibox": {
    "keyword": "WebTools"
  },
  "options_ui": {
    "chrome_style": true,
    "page": "intro.html"
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": true
  },
  "browser_action": {
    "default_icon": "lilogonobg.png",
    "default_popup": "popup.html"
  },
  "icons": {
    "128": "lilogonobg.png"
  }
}