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

chrome/browser/chromeos/file_system_provider/fileapi/buffering_file_stream_reader_unittest.cc

 // 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.
 
 #include <string>
 #include <vector>
 
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop/message_loop_proxy.h"
@@ skipping 27 matching lines @@
 // Fake internal file stream reader.
 class FakeFileStreamReader : public storage::FileStreamReader {
  public:
   FakeFileStreamReader(std::vector<int>* log, net::Error return_error)
       : log_(log), return_error_(return_error) {}
   virtual ~FakeFileStreamReader() {}
 
   // storage::FileStreamReader overrides.
   virtual int Read(net::IOBuffer* buf,
                    int buf_len,
-                   const net::CompletionCallback& callback) OVERRIDE {
+                   const net::CompletionCallback& callback) override {
     DCHECK(log_);
     log_->push_back(buf_len);
 
     if (return_error_ != net::OK) {
       base::MessageLoopProxy::current()->PostTask(
           FROM_HERE, base::Bind(callback, return_error_));
       return net::ERR_IO_PENDING;
     }
 
     const std::string fake_data('X', buf_len);
     memcpy(buf->data(), fake_data.c_str(), buf_len);
 
     base::MessageLoopProxy::current()->PostTask(FROM_HERE,
                                                 base::Bind(callback, buf_len));
     return net::ERR_IO_PENDING;
   }
 
   virtual int64 GetLength(
-      const net::Int64CompletionCallback& callback) OVERRIDE {
+      const net::Int64CompletionCallback& callback) override {
     DCHECK_EQ(net::OK, return_error_);
     base::MessageLoopProxy::current()->PostTask(
         FROM_HERE, base::Bind(callback, kFileSize));
     return net::ERR_IO_PENDING;
   }
 
  private:
   std::vector<int>* log_;  // Not owned.
   net::Error return_error_;
   DISALLOW_COPY_AND_ASSIGN(FakeFileStreamReader);
@@ skipping 273 matching lines @@
       reader.GetLength(base::Bind(&LogValue<int64>, &get_length_log));
   base::RunLoop().RunUntilIdle();
 
   EXPECT_EQ(net::ERR_IO_PENDING, result);
   ASSERT_EQ(1u, get_length_log.size());
   EXPECT_EQ(kFileSize, get_length_log[0]);
 }
 
 }  // namespace file_system_provider
 }  // namespace chromeos