Files.app: Add a drive sync error event to the fileBrowserPrivate API.

chrome/browser/chromeos/drive/sync/remove_performer.h

 // 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.
 
 #ifndef CHROME_BROWSER_CHROMEOS_DRIVE_SYNC_REMOVE_PERFORMER_H_
 #define CHROME_BROWSER_CHROMEOS_DRIVE_SYNC_REMOVE_PERFORMER_H_
 
 #include "base/basictypes.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 69 matching lines @@
       google_apis::GDataErrorCode status,
       scoped_ptr<google_apis::ResourceEntry> resource_entry);
 
   // Part of UnparentResource().
   void UnparentResourceAfterUpdateRemoteState(
       const FileOperationCallback& callback,
       const std::string& local_id,
       google_apis::GDataErrorCode status);
 
   scoped_refptr<base::SequencedTaskRunner> blocking_task_runner_;
+  file_system::OperationObserver* observer_;
   JobScheduler* scheduler_;
   ResourceMetadata* metadata_;
   scoped_ptr<EntryRevertPerformer> entry_revert_performer_;
 
   // Note: This should remain the last member so it'll be destroyed and
   // invalidate the weak pointers before any other members are destroyed.
   base::WeakPtrFactory<RemovePerformer> weak_ptr_factory_;
   DISALLOW_COPY_AND_ASSIGN(RemovePerformer);
 };
 
 }  // namespace internal
 }  // namespace drive
 
 #endif  // CHROME_BROWSER_CHROMEOS_DRIVE_SYNC_REMOVE_PERFORMER_H_