Examine source code of Bookmark Date Stamper

{
  "manifest_version": 2,
  "name": "Bookmark Date Stamper",
  "version": "0.10resigned1",
  "description": "Adds a date stamp to the title of the current page bookmark.\r\n\r\nUsage:\r\nCtrl + Alt + \"+\" (or toolbar button click) adds both the date and time\r\nCtrl + Shift + \"+\" adds only the date",
  "icons": {
    "48": "BookmarkDateStamper48.png",
    "96": "BookmarkDateStamper96.png"
  },
  "background": {
    "scripts": [
      "common.js",
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "all_frames": false,
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "common.js",
        "BookmarkDateStamper.js"
      ]
    }
  ],
  "browser_action": {
    "browser_style": false,
    "default_icon": {
      "16": "BookmarkDateStamperToolbar16.png",
      "32": "BookmarkDateStamperToolbar32.png",
      "64": "BookmarkDateStamperToolbar64.png"
    },
    "default_title": "Bookmark Date Stamper"
  },
  "permissions": [
    "bookmarks"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "bookmarkdatestamper@mb"
    }
  }
}