Examine source code of Full Play

{
  "background": {
    "page": "./background.html"
  },
  "description": "Video Full Web Play",
  "icons": {},
  "manifest_version": 2,
  "name": "Full Play",
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": {}
  },
  "content_scripts": [
    {
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "js": [
        "./js/curWindow.js"
      ]
    }
  ],
  "permissions": [
    "tabs",
    "activeTab",
    "storage"
  ],
  "version": "1.0.0.1resigned1",
  "browser_specific_settings": {
    "gecko": {
      "id": "{13c6d61a-2eb0-4690-ab6e-5c5ca2651383}"
    }
  }
}