Examine source code of VPN Location Guard

{
  "name": "__MSG_appName__",
  "description": "__MSG_appDescription__",
  "version": "1.0.2",
  "short_name": "__MSG_appShortName__",
  "manifest_version": 2,
  "default_locale": "en",
  "icons": {
    "16": "images/vpn_location_guard_on_16.png",
    "128": "images/vpn_location_guard_on_128.png"
  },
  "background": {
    "scripts": [
      "scripts/background.js"
    ]
  },
  "browser_action": {
    "default_icon": {
      "19": "images/vpn_location_guard_on_19.png",
      "38": "images/vpn_location_guard_on_38.png"
    },
    "default_popup": "pages/popup.html"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*/*"
      ],
      "js": [
        "scripts/contentscript.js"
      ],
      "run_at": "document_end",
      "all_frames": true
    }
  ],
  "web_accessible_resources": [
    "scripts/jumpinpage.js"
  ],
  "permissions": [
    "<all_urls>",
    "storage",
    "tabs",
    "activeTab"
  ]
}