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manifest.json
{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "__MSG_name__",
  "version": "4.0.2",
  "manifest_version": 2,
  "description": "__MSG_description__",
  "default_locale": "en",
  "icons": {
    "16": "img/icon_16.png",
    "32": "img/icon_32.png",
    "48": "img/icon_48.png",
    "128": "img/icon_128.png"
  },
  "background": {
    "persistent": true,
    "page": "background.htm"
  },
  "options_page": "options.htm",
  "browser_action": {
    "default_icon": {
      "19": "img/browser_action_19.png",
      "38": "img/browser_action_38.png"
    },
    "default_title": "__MSG_name__",
    "default_popup": "popup.htm"
  },
  "permissions": [
    "tabs",
    "*://*/",
    "chrome://favicon/",
    "unlimitedStorage",
    "notifications"
  ],
  "content_security_policy": "script-src 'self' 'unsafe-eval'; object-src 'self'"
}