Fix File Copy Manager Wrapper to work in the strict mode.

chrome/browser/resources/file_manager/js/file_copy_manager.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.
 
 'use strict';
 
 if (chrome.extension) {
   var getContentWindows = function() {
     return chrome.extension.getViews();
   };
@@ skipping 287 matching lines @@
  */
 FileCopyManager.prototype.sendEvent_ = function(eventName, eventArgs) {
   if (this.cancelRequested_)
     return;  // Swallow events until cancellation complete.
 
   eventArgs.status = this.getStatus();
 
   var windows = getContentWindows();
   for (var i = 0; i < windows.length; i++) {
     var w = windows[i];
-    if (w.fileCopyManagerWrapper)
-      w.fileCopyManagerWrapper.onEvent(eventName, eventArgs);
+    if (w.FileCopyManagerWrapper)
+      w.FileCopyManagerWrapper.getInstance().onEvent(eventName, eventArgs);
   }
 };
 
 /**
  * Unloads the host page in 5 secs of idleing. Need to be called
  * each time this.copyTasks_.length or this.deleteTasks_.length
  * changed.
  *
  * @private
  */
@@ skipping 944 matching lines @@
       // Assume self.cancelRequested_ == false.
       // This moved us from 0 to 1 active tasks, let the servicing begin!
       self.serviceAllTasks_();
     } else {
       // Force to update the progress of butter bar when there are new tasks
       // coming while servicing current task.
       self.sendProgressEvent_('PROGRESS');
     }
   });
 };