replace OVERRIDE and FINAL with override and final in chrome/browser/[r-z]*

chrome/browser/sync_file_system/drive_backend/sync_task.h

 // 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.
 
 #ifndef CHROME_BROWSER_SYNC_FILE_SYSTEM_DRIVE_BACKEND_SYNC_TASK_H_
 #define CHROME_BROWSER_SYNC_FILE_SYSTEM_DRIVE_BACKEND_SYNC_TASK_H_
 
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "chrome/browser/sync_file_system/sync_callbacks.h"
@@ skipping 20 matching lines @@
   bool used_network_;
 
   DISALLOW_COPY_AND_ASSIGN(SyncTask);
 };
 
 class ExclusiveTask : public SyncTask {
  public:
   ExclusiveTask();
   virtual ~ExclusiveTask();
 
-  virtual void RunPreflight(scoped_ptr<SyncTaskToken> token) OVERRIDE FINAL;
+  virtual void RunPreflight(scoped_ptr<SyncTaskToken> token) override final;
   virtual void RunExclusive(const SyncStatusCallback& callback) = 0;
 
  private:
   base::WeakPtrFactory<ExclusiveTask> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ExclusiveTask);
 };
 
 }  // namespace drive_backend
 }  // namespace sync_file_system
 
 #endif  // CHROME_BROWSER_SYNC_FILE_SYSTEM_DRIVE_BACKEND_SYNC_TASK_H_