Examine source code of Glances - A Simplified Customer View

{
  "manifest_version": 2,
  "name": "Glances - A Simplified Customer View",
  "author": "Fanatical Labs",
  "short_name": "Glances.com",
  "description": "Unify your apps with a simplified customer view",
  "homepage_url": "https://glances.com",
  "default_locale": "en",
  "permissions": [
    "tabs",
    "activeTab",
    "alarms",
    "https://*/*",
    "http://*/*"
  ],
  "icons": {
    "48": "icons/glancey_active_48.png",
    "128": "icons/glancey_active_128.png"
  },
  "browser_action": {
    "default_title": "Glances Extension",
    "default_popup": "popup/popup.html",
    "default_icon": {
      "48": "icons/glancey_active_48.png",
      "128": "icons/glancey_active_128.png"
    }
  },
  "web_accessible_resources": [
    "images/*.png",
    "images/*.gif",
    "images/*.svg",
    "frame.hmtl"
  ],
  "background": {
    "scripts": [
      "js/background.js"
    ],
    "persistent": true
  },
  "content_scripts": [
    {
      "matches": [
        "*://*/*"
      ],
      "js": [
        "js/content-script.js"
      ],
      "run_at": "document_end"
    }
  ],
  "options_ui": {
    "page": "popup/popup.html"
  },
  "version": "1.7.5",
  "content_security_policy": "script-src 'self' 'unsafe-eval'; object-src 'self'",
  "browser_specific_settings": {
    "gecko": {
      "id": "{da7179ca-4558-4256-bee1-0ca9d49923c6}"
    }
  }
}