Examine source code of UAlberta EZProxy

{
  "manifest_version": 2,
  "name": "UAlberta EZProxy",
  "version": "2.0",
  "description": "Adds an Eproxy button to the toolbar",
  "icons": {
    "48": "icon48.png",
    "96": "icon96.png"
  },
  "permissions": [
    "activeTab"
  ],
  "browser_action": {
    "default_icon": "icon48.png",
    "default_title": "EZProxy"
  },
  "background": {
    "scripts": [
      "ezproxy.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "proxy-helper.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{43102014-1acb-4ad8-8d77-d614a5859e11}"
    }
  }
}