Examine source code of Search Commander

{
  "manifest_version": 2,
  "name": "__MSG_extName__",
  "description": "__MSG_extDescription__",
  "version": "2.0.1",
  "icons": {
    "16": "icon/16.png",
    "32": "icon/32.png",
    "48": "icon/48.png",
    "128": "icon/128.png",
    "512": "icon/512.png"
  },
  "default_locale": "en",
  "permissions": [
    "storage"
  ],
  "commands": {
    "toggle-search": {
      "description": "Toggle Search Bar",
      "suggested_key": {
        "default": "Alt+S",
        "windows": "Alt+S",
        "mac": "Command+S",
        "chromeos": "Alt+S",
        "linux": "Alt+S"
      }
    }
  },
  "web_accessible_resources": [
    "fonts/*",
    "content-scripts/content.css"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_title": "__MSG_extName__",
    "default_popup": "popup.html"
  },
  "options_ui": {
    "open_in_tab": true,
    "page": "options.html"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content-scripts/content.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{e8bcfd25-7e62-4df4-8b25-931fcd846fec}"
    }
  }
}