Bookmark Favicon Changer

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "Bookmark Favicon Changer",
  "description": "Change bookmark favicon",
  "version": "2.21",
  "minimum_chrome_version": "28",
  "icons": {
    "16": "icon16.png",
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "incognito": "spanning",
  "permissions": [
    "idle",
    "tabs",
    "<all_urls>",
    "chrome://favicon/",
    "webRequest",
    "webRequestBlocking",
    "bookmarks",
    "notifications"
  ],
  "options_page": "options.xhtml",
  "page_action": {
    "default_icon": {
      "19": "icon19.png",
      "38": "icon38.png"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": true
  },
  "content_scripts": [
    {
      "matches": [
        "http://*/*",
        "https://*/*",
        "file:///*"
      ],
      "js": [
        "contentscript.js"
      ],
      "run_at": "document_end",
      "all_frames": false
    }
  ]
}