Reduce usage of webkit CSS prefixes in chrome/browser/resources

chrome/browser/resources/options/chromeos/change_picture_options.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.
 
 cr.define('options', function() {
   var Page = cr.ui.pageManager.Page;
   var PageManager = cr.ui.pageManager.PageManager;
   var UserImagesGrid = options.UserImagesGrid;
   var ButtonImages = UserImagesGrid.ButtonImages;
 
@@ skipping 69 matching lines @@
 
       $('take-photo').addEventListener(
           'click', this.handleTakePhoto_.bind(this));
       $('discard-photo').addEventListener(
           'click', this.handleDiscardPhoto_.bind(this));
 
       // Toggle 'animation' class for the duration of WebKit transition.
       $('flip-photo').addEventListener(
           'click', this.handleFlipPhoto_.bind(this));
       $('user-image-stream-crop').addEventListener(
-          'webkitTransitionEnd', function(e) {
+          'transitionend', function(e) {
             previewElement.classList.remove('animation');
           });
       $('user-image-preview-img').addEventListener(
-          'webkitTransitionEnd', function(e) {
+          'transitionend', function(e) {
             previewElement.classList.remove('animation');
           });
 
       // Old user image data (if present).
       this.oldImage_ = null;
 
       $('change-picture-overlay-confirm').addEventListener(
           'click', this.closeOverlay_.bind(this));
 
       chrome.send('onChangePicturePageInitialized');
@@ skipping 217 matching lines @@
     'setProfileImage',
     'setSelectedImage',
   ]);
 
   // Export
   return {
     ChangePictureOptions: ChangePictureOptions
   };
 
 });