Fix saved screenshots for feedback.

chrome/browser/resources/feedback.js

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Constants.
 /** @const */ var FEEDBACK_LANDING_PAGE =
     'https://www.google.com/support/chrome/go/feedback_confirmation';
 
 var selectedThumbnailDivId = '';
 var selectedThumbnailId = '';
@@ skipping 19 matching lines @@
     return;
   }
 
   for (var i = 0; i < thumbnailDivs.length; i++) {
     thumbnailDivs[i].className = 'image-thumbnail-container';
 
     // If the the current div matches the thumbnail id provided,
     // or there is no thumbnail id given, and we're at the first thumbnail.
     if (thumbnailDivs[i].id == thumbnailId || (!thumbnailId && !i)) {
       thumbnailDivs[i].classList.add('image-thumbnail-container-selected');
-      selectedThumbnailId = thumbnailId;
+      selectedThumbnailId = thumbnailDivs[i].id;
       savedThumbnailIds[divId] = thumbnailId;
     }
   }
 }
 
 /**
  * Adds an image thumbnail to the specified div.
  * @param {string} divId The id of the div to add a screenshot to.
  * @param {string} screenshot The URL of the screenshot being added.
  */
@@ skipping 238 matching lines @@
   // Are screenshots disabled?
   if (!defaults.disableScreenshots)
     enableScreenshots();
 
   if (defaults.useSaved) {
     $('screenshot-link-tosaved').hidden = false;
   }
 }
 
 window.addEventListener('DOMContentLoaded', load);