Examine source code of Navigate Location

{
  "name": "Navigate Location",
  "version": "0.1",
  "description": "Navigate to any level in the URL.",
  "icons": {
    "16": "icons/icon-16.png",
    "19": "icons/icon-19.png",
    "48": "icons/icon-48.png",
    "128": "icons/icon-128.png"
  },
  "permissions": [
    "activeTab"
  ],
  "browser_action": {
    "default_icon": "icons/icon-19.png",
    "default_title": "Navigate Location",
    "default_popup": "popup.html"
  },
  "commands": {
    "_execute_browser_action": {
      "suggested_key": {
        "default": "Ctrl+Shift+L",
        "windows": "Ctrl+Shift+L",
        "linux": "Ctrl+Shift+L",
        "mac": "Command+Shift+L",
        "chromeos": "Ctrl+shift+L"
      }
    }
  },
  "manifest_version": 2
}