Examine source code of Search_Me

{
  "applications": {
    "gecko": {
      "id": "searchMe@example.com"
    }
  },
  "manifest_version": 2,
  "name": "SearchMe",
  "version": "1.0",
  "permissions": [
    "activeTab"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "description": "search highlighted text on search engine",
  "commands": {
    "search-me": {
      "suggested_key": {
        "default": "Ctrl+Shift+I"
      }
    }
  },
  "options_ui": {
    "page": "options.html",
    "browser_style": true
  }
}