Adds callbacks to notify progress into Copy's API.

chrome/browser/chromeos/extensions/file_manager/private_api_file_system.cc

 // 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.
 
 #include "chrome/browser/chromeos/extensions/file_manager/private_api_file_system.h"
 
 #include <sys/stat.h>
 #include <sys/statvfs.h>
 #include <sys/types.h>
 #include <utime.h>
@@ skipping 211 matching lines @@
     const FileSystemURL& dest_url) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
 
   // Note: |operation_id| is owned by the callback for
   // FileSystemOperationRunner::Copy(). It is always called in the next message
   // loop or later, so at least during this invocation it should alive.
   fileapi::FileSystemOperationRunner::OperationID* operation_id =
       new fileapi::FileSystemOperationRunner::OperationID;
   *operation_id = file_system_context->operation_runner()->Copy(
       source_url, dest_url,
+      fileapi::FileSystemOperationRunner::CopyProgressCallback(),
       base::Bind(&OnCopyCompleted,
                  profile_id, base::Owned(operation_id), dest_url));
   return *operation_id;
 }
 
 void OnCopyCancelled(base::PlatformFileError error) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
 
   // We just ignore the status if the copy is actually cancelled or not,
   // because failing cancellation means the operation is not running now.
@@ skipping 532 matching lines @@
   // We don't much take care about the result of cancellation.
   BrowserThread::PostTask(
       BrowserThread::IO,
       FROM_HERE,
       base::Bind(&CancelCopyOnIOThread, file_system_context, params->copy_id));
   SendResponse(true);
   return true;
 }
 
 }  // namespace extensions