Examine source code of Dropbox View

{
  "manifest_version": 2,
  "name": "dropboxview",
  "version": "1.0",
  "description": "dropboxview",
  "icons": {
    "48": "icons/dv48.jpg"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.dropbox.com/*"
      ],
      "css": [
        "style.css"
      ],
      "js": [
        "dropboxview.js"
      ]
    }
  ]
}