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manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "default_locale": "en",
  "name": "__MSG_app_name__",
  "description": "__MSG_app_description__",
  "version": "2.0.1",
  "icons": {
    "16": "./icons/icon16.png",
    "48": "./icons/icon48.png",
    "128": "./icons/icon128.png"
  },
  "browser_action": {
    "default_icon": "./icons/icon48.png",
    "default_popup": "popup.html"
  },
  "background": {
    "scripts": [
      "event_page.js"
    ],
    "persistent": false
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content_script.js"
      ]
    }
  ],
  "options_ui": {
    "page": "options.html",
    "chrome_style": true
  },
  "commands": {
    "_execute_browser_action": {
      "suggested_key": {
        "default": "Ctrl+Q",
        "mac": "MacCtrl+Q"
      }
    }
  },
  "content_security_policy": "script-src 'self' https://www.google-analytics.com; object-src 'self'",
  "permissions": [
    "storage",
    "tabs"
  ]
}