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

chrome/browser/chromeos/file_system_provider/fileapi/file_stream_writer.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_FILE_STREAM_WRITER_H_
 #define CHROME_BROWSER_CHROMEOS_FILE_SYSTEM_PROVIDER_FILEAPI_FILE_STREAM_WRITER_H_
 
 #include "base/basictypes.h"
 #include "base/files/file.h"
 #include "base/files/file_path.h"
@@ skipping 11 matching lines @@
 // to Write().
 class FileStreamWriter : public storage::FileStreamWriter {
  public:
   FileStreamWriter(const storage::FileSystemURL& url, int64 initial_offset);
 
   virtual ~FileStreamWriter();
 
   // storage::FileStreamWriter overrides.
   virtual int Write(net::IOBuffer* buf,
                     int buf_len,
-                    const net::CompletionCallback& callback) OVERRIDE;
-  virtual int Cancel(const net::CompletionCallback& callback) OVERRIDE;
-  virtual int Flush(const net::CompletionCallback& callback) OVERRIDE;
+                    const net::CompletionCallback& callback) override;
+  virtual int Cancel(const net::CompletionCallback& callback) override;
+  virtual int Flush(const net::CompletionCallback& callback) override;
 
  private:
   // Helper class for executing operations on the provided file system. All
   // of its methods must be called on UI thread. Callbacks are called on IO
   // thread.
   class OperationRunner;
 
   // State of the file stream writer.
   enum State { NOT_INITIALIZED, INITIALIZING, INITIALIZED, FAILED };
 
@@ skipping 33 matching lines @@
   State state_;
 
   base::WeakPtrFactory<FileStreamWriter> weak_ptr_factory_;
   DISALLOW_COPY_AND_ASSIGN(FileStreamWriter);
 };
 
 }  // namespace file_system_provider
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_FILE_SYSTEM_PROVIDER_FILEAPI_FILE_STREAM_WRITER_H_