Examine source code of Search Engines

{
  "manifest_version": 2,
  "name": "Search Engines",
  "version": "1.2",
  "description": "Find the most relevant information on the web by searching with your favourite search engines.",
  "icons": {
    "16": "icons/16.png",
    "24": "icons/24.png",
    "32": "icons/32.png",
    "64": "icons/64.png",
    "128": "icons/128.png",
    "256": "icons/256.png",
    "512": "icons/512.png"
  },
  "permissions": [
    "search"
  ],
  "commands": {
    "_execute_browser_action": {
      "suggested_key": {
        "default": "Ctrl+Shift+L"
      }
    }
  },
  "browser_action": {
    "default_icon": "icons/64.png",
    "default_title": "Search Engines",
    "default_popup": "popup/search.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{dae0ad16-3551-488a-83dc-dbe7bfe36f2a}"
    }
  }
}