Examine source code of Slash to search

{
  "background": {
    "scripts": [
      "scripts/background.js"
    ]
  },
  "browser_action": {
    "default_icon": "images/slash_to_search.png",
    "default_popup": "popup/popup.html"
  },
  "content_scripts": [
    {
      "js": [
        "scripts/index.js"
      ],
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "run_at": "document_start"
    }
  ],
  "description": "Jump to search box by pressing forward slash.",
  "icons": {
    "48": "images/slash_to_search.png"
  },
  "manifest_version": 2,
  "name": "Slash to search",
  "permissions": [
    "activeTab",
    "storage",
    "menus"
  ],
  "options_ui": {
    "page": "options/options.html",
    "open_in_tab": true
  },
  "short_name": "Slash to search",
  "version": "0.0.5.7resigned1",
  "browser_specific_settings": {
    "gecko": {
      "id": "{bd33c9a3-5155-435f-92db-20ca682fb496}"
    }
  }
}