Drupal Environment Indicator

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Drupal Environment Indicator",
  "description": "Let you change your admin menu color for every site.",
  "version": "2.3",
  "author": "Yogev Priel",
  "manifest_version": 2,
  "minimum_chrome_version": "20",
  "permissions": [
    "tabs",
    "webNavigation",
    "storage",
    "declarativeContent",
    "activeTab",
    "http://*/",
    "https://*/"
  ],
  "icons": {
    "16": "images/icon-16.png",
    "32": "images/icon-32.png",
    "64": "images/icon-64.png"
  },
  "web_accessible_resources": [
    "images/icon-32.png"
  ],
  "page_action": {
    "default_icon": "images/icon-16.png",
    "default_title": "change toolbar colors",
    "default_popup": "popup.html"
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": true
  }
}