Covet

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "Covet",
  "description": "Covet is a new kind of shopping tool that lets you buy what you want while saving money.",
  "version": "1.2.3",
  "browser_action": {
    "default_title": "Track a price on this page"
  },
  "permissions": [
    "activeTab",
    "cookies",
    "storage",
    "*://*.usecovet.com/"
  ],
  "externally_connectable": {
    "matches": [
      "*://localhost/*",
      "*://*.usecovet.com/*"
    ]
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "icons": {
    "16": "icon16.png",
    "48": "icon48.png",
    "128": "icon128.png"
  }
}