Examine source code of KeyNavigator

{
  "manifest_version": 2,
  "name": "KeyNavigator",
  "version": "1.1resigned1",
  "icons": {
    "32": "KeyNav32.png",
    "64": "KeyNav64.png"
  },
  "omnibox": {
    "keyword": "kn"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "func.js"
      ],
      "css": [
        "css.css"
      ]
    }
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{324f1117-3e54-403e-9fc8-619891f33182}"
    }
  }
}