drive: Call OnDirectoryChanged from EntryRevertPerformer

chrome/browser/chromeos/drive/sync/entry_update_performer.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/drive/sync/entry_update_performer.h"
 
 #include "chrome/browser/chromeos/drive/drive.pb.h"
 #include "chrome/browser/chromeos/drive/file_system_util.h"
 #include "chrome/browser/chromeos/drive/job_scheduler.h"
 #include "chrome/browser/chromeos/drive/resource_metadata.h"
@@ skipping 55 matching lines @@
         return error;
       break;
   }
   return FILE_ERROR_OK;
 }
 
 }  // namespace
 
 EntryUpdatePerformer::EntryUpdatePerformer(
     base::SequencedTaskRunner* blocking_task_runner,
+    file_system::OperationObserver* observer,
     JobScheduler* scheduler,
     ResourceMetadata* metadata)
     : blocking_task_runner_(blocking_task_runner),
       scheduler_(scheduler),
       metadata_(metadata),
       remove_performer_(new RemovePerformer(blocking_task_runner,
+                                            observer,
                                             scheduler,
                                             metadata)),
       entry_revert_performer_(new EntryRevertPerformer(blocking_task_runner,
+                                                       observer,
                                                        scheduler,
                                                        metadata)),
       weak_ptr_factory_(this) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 }
 
 EntryUpdatePerformer::~EntryUpdatePerformer() {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 }
 
@@ skipping 98 matching lines @@
     // The entry was edited during the update. Update again.
     UpdateEntry(entry->local_id(), callback);
     return;
   }
 
   callback.Run(FILE_ERROR_OK);
 }
 
 }  // namespace internal
 }  // namespace drive