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

chrome/browser/chromeos/drive/file_system/truncate_operation_unittest.cc

 // Copyright 2013 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 "chrome/browser/chromeos/drive/file_system/truncate_operation.h"
 
 #include "base/files/file_path.h"
 #include "base/files/file_util.h"
 #include "base/task_runner_util.h"
 #include "chrome/browser/chromeos/drive/drive.pb.h"
 #include "chrome/browser/chromeos/drive/fake_free_disk_space_getter.h"
 #include "chrome/browser/chromeos/drive/file_system/operation_test_base.h"
 #include "content/public/test/test_utils.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace drive {
 namespace file_system {
 
 class TruncateOperationTest : public OperationTestBase {
  protected:
-  virtual void SetUp() OVERRIDE {
+  virtual void SetUp() override {
     OperationTestBase::SetUp();
 
     operation_.reset(new TruncateOperation(
         blocking_task_runner(), delegate(), scheduler(),
         metadata(), cache(), temp_dir()));
   }
 
   scoped_ptr<TruncateOperation> operation_;
 };
 
@@ skipping 93 matching lines @@
   std::string content;
   ASSERT_TRUE(base::ReadFileToString(local_path, &content));
 
   EXPECT_EQ(file_size + 10, static_cast<int64>(content.size()));
   // All trailing 10 bytes should be '\0'.
   EXPECT_EQ(std::string(10, '\0'), content.substr(file_size));
 }
 
 }  // namespace file_system
 }  // namespace drive