Implement CopyFileFromLocal of MTPDeviceAsyncDelegate.

components/storage_monitor/test_media_transfer_protocol_manager_linux.cc

 // Copyright 2014 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.
 
 #include "components/storage_monitor/test_media_transfer_protocol_manager_linux.h"
 
 #include "device/media_transfer_protocol/mtp_file_entry.pb.h"
 
 namespace storage_monitor {
 
@@ skipping 48 matching lines @@
   callback.Run(std::string(), true);
 }
 
 void TestMediaTransferProtocolManagerLinux::GetFileInfo(
     const std::string& storage_handle,
     uint32 file_id,
     const GetFileInfoCallback& callback) {
   callback.Run(MtpFileEntry(), true);
 }
 
+void TestMediaTransferProtocolManagerLinux::CopyFileFromLocal(
+    const std::string& storage_handle,
+    const int source_file_descriptor,
+    const uint32 parent_id,
+    const std::string& file_name,
+    const CopyFileFromLocalCallback& callback) {
+  callback.Run(true /* error */);
+}
+
 }  // namespace storage_monitor