Examine source code of Tab Disguiser

{
  "manifest_version": 2,
  "name": "Tab Disguiser",
  "version": "1.4.5",
  "description": "Disguises the title and favicon of a tab",
  "icons": {
    "16": "images/icon16.png",
    "32": "images/icon32.png",
    "48": "images/icon48.png",
    "96": "images/icon96.png",
    "128": "images/icon128.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "browser_style": true,
    "default_icon": {
      "16": "images/icon16.png",
      "32": "images/icon32.png"
    }
  },
  "options_ui": {
    "page": "options/options.html",
    "open_in_tab": false
  },
  "commands": {
    "_execute_browser_action": {
      "suggested_key": {
        "default": "Alt+Shift+D",
        "mac": "Command+Shift+D"
      }
    }
  },
  "web_accessible_resources": [
    "images/favicon.ico"
  ],
  "permissions": [
    "activeTab",
    "storage"
  ]
}