Examine source code of Bookmark tags

{
  "name": "__MSG_pluginName__",
  "description": "__MSG_pluginDescription__",
  "icons": {
    "16": "icon.png",
    "32": "icon32.png",
    "128": "icon128.png"
  },
  "default_locale": "en",
  "manifest_version": 2,
  "browser_action": {
    "default_icon": "icon.png"
  },
  "commands": {
    "_execute_browser_action": {
      "suggested_key": {
        "default": "Ctrl+Shift+S"
      }
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "permissions": [
    "bookmarks",
    "storage",
    "chrome://favicon/"
  ],
  "version": "0.8.1"
}