replace OVERRIDE and FINAL with override and final in storage/

storage/browser/fileapi/file_system_file_stream_reader.h

 // Copyright (c) 2012 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 STORAGE_BROWSER_FILEAPI_FILE_SYSTEM_FILE_STREAM_READER_H_
 #define STORAGE_BROWSER_FILEAPI_FILE_SYSTEM_FILE_STREAM_READER_H_
 
 #include "base/bind.h"
 #include "base/files/file.h"
 #include "base/memory/ref_counted.h"
@@ skipping 21 matching lines @@
 // remote filesystem should implement its own reader rather than relying
 // on FileSystemOperation::GetSnapshotFile() which may force downloading
 // the entire contents for remote files.
 class STORAGE_EXPORT_PRIVATE FileSystemFileStreamReader
     : public NON_EXPORTED_BASE(storage::FileStreamReader) {
  public:
   virtual ~FileSystemFileStreamReader();
 
   // 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:
   friend class storage::FileStreamReader;
   friend class content::FileSystemFileStreamReaderTest;
 
   FileSystemFileStreamReader(FileSystemContext* file_system_context,
                              const FileSystemURL& url,
                              int64 initial_offset,
                              const base::Time& expected_modification_time);
 
@@ skipping 15 matching lines @@
   scoped_refptr<storage::ShareableFileReference> snapshot_ref_;
   bool has_pending_create_snapshot_;
   base::WeakPtrFactory<FileSystemFileStreamReader> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(FileSystemFileStreamReader);
 };
 
 }  // namespace storage
 
 #endif  // STORAGE_BROWSER_FILEAPI_FILE_SYSTEM_FILE_STREAM_READER_H_