replace OVERRIDE and FINAL with override and final in chrome/browser/chromeos/

chrome/browser/chromeos/file_system_provider/fileapi/buffering_file_stream_reader.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_CHROMEOS_FILE_SYSTEM_PROVIDER_FILEAPI_BUFFERING_FILE_STREAM_READER_H_
 #define CHROME_BROWSER_CHROMEOS_FILE_SYSTEM_PROVIDER_FILEAPI_BUFFERING_FILE_STREAM_READER_H_
 
 #include "base/basictypes.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 20 matching lines @@
   BufferingFileStreamReader(
       scoped_ptr<storage::FileStreamReader> file_stream_reader,
       int preloading_buffer_length,
       int64 max_bytes_to_read);
 
   virtual ~BufferingFileStreamReader();
 
   // storage::FileStreamReader overrides.
   virtual int Read(net::IOBuffer* buf,
                    int buf_len,
-                   const net::CompletionCallback& callback) OVERRIDE;
+                   const net::CompletionCallback& callback) override;
   virtual int64 GetLength(
-      const net::Int64CompletionCallback& callback) OVERRIDE;
+      const net::Int64CompletionCallback& callback) override;
 
  private:
   // Copies data from the preloading buffer and updates the internal iterator.
   // Returns number of bytes successfully copied.
   int CopyFromPreloadingBuffer(scoped_refptr<net::IOBuffer> buffer,
                                int buffer_length);
 
   // Preloads data from the internal stream reader and calls the |callback|.
   void Preload(const net::CompletionCallback& callback);
 
@@ skipping 15 matching lines @@
   int preloaded_bytes_;
 
   base::WeakPtrFactory<BufferingFileStreamReader> weak_ptr_factory_;
   DISALLOW_COPY_AND_ASSIGN(BufferingFileStreamReader);
 };
 
 }  // namespace file_system_provider
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_FILE_SYSTEM_PROVIDER_FILEAPI_BUFFERING_FILE_STREAM_READER_H_