Examine source code of SubscribeStar Fixes

{
  "manifest_version": 2,
  "name": "SubscribeStar Fixes",
  "version": "0.1.2",
  "description": "Fixes SubscribeStar Annoyances",
  "homepage_url": "http://blog.self.li/post/16366939413/how-to-convert-bookmarklet-to-chrome-extension",
  "icons": {
    "48": "icons/ss_logomark.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.subscribestar.com/*"
      ],
      "js": [
        "content.js"
      ],
      "css": [
        "content.css"
      ]
    }
  ],
  "browser_action": {
    "default_icon": "icons/ss_logomark.png",
    "default_title": "SubscribeStar Fixes",
    "theme_icons": [
      {
        "light": "icons/ss_logomark.png",
        "dark": "icons/ss_logomark.png",
        "size": 32
      }
    ],
    "default_popup": "popup/popup.html"
  },
  "permissions": [
    "activeTab"
  ],
  "web_accessible_resources": [],
  "browser_specific_settings": {
    "gecko": {
      "id": "{f8ac94b3-2089-4650-a297-2b97699b4d8b}"
    }
  }
}