title: get facebook extended permission for uploading photos
body: <p>In my facebook application, when the users first starts using it,the app request very basic permission. At a later stage, I need to request extended permission to allow the app to upload photos, I'm googling when falling only on the legacy part:</p>
  
  <pre><code> FB.Connect.showPermissionDialog("photo_upload",permissionHandler);
  </code></pre>
  
  <p>Does someone has any idea how to get permission for uploading photos using the new sdk??</p>