Add fileManagerPrivate.onCopyError event.

chrome/common/extensions/api/file_manager_private.idl

 // Copyright 2013 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.
 
 // fileManagerPrivate API.
 // This is a private API used by the file browser of ChromeOS.
 [platforms=("chromeos"),
  implemented_in="chrome/browser/chromeos/extensions/file_manager/file_manager_private_api_functions.h"]
 namespace fileManagerPrivate {
 // Type of the mounted volume.
@@ skipping 904 matching lines @@
   // Requests configuring an existing volume. If not possible, then returns
   // an error via chrome.runtime.lastError.
   static void configureVolume(DOMString volumeId, SimpleCallback callback);
 };
 
 interface Events {
   static void onMountCompleted(MountCompletedEvent event);
 
   static void onFileTransfersUpdated(FileTransferStatus event);
 
+  static void onCopyError(long copyId, DOMString sourceURL, DOMString destionationURL);

[mtomasz, 2015/06/20 02:42:56]

nit: This line seems to long. Can we wrap?

+
   static void onCopyProgress(long copyId, CopyProgressStatus status);

[mtomasz, 2015/06/20 02:42:56]

CopyProgressStatus already passes an error. Why do we need a separate event?

[yawano, 2015/06/22 02:28:27]

Thank you! CopyProgressStatus event is enough. I'll remove the new
ErrorCallback.

 
   static void onDirectoryChanged(FileWatchEvent event);
 
   static void onPreferencesChanged();
 
   static void onDriveConnectionStatusChanged();
 
   static void onDeviceChanged(DeviceEvent event);
 
   static void onDriveSyncError(DriveSyncErrorEvent event);
 };
 };