Standardize usage of virtual/override/final specifiers.

gpu/command_buffer/service/command_buffer_service_unittest.cc

 // 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.
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/threading/thread.h"
 #include "gpu/command_buffer/common/cmd_buffer_common.h"
 #include "gpu/command_buffer/service/command_buffer_service.h"
 #include "gpu/command_buffer/service/transfer_buffer_manager.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "testing/gmock/include/gmock/gmock.h"
 
 using base::SharedMemory;
 using testing::_;
 using testing::DoAll;
 using testing::Return;
 using testing::SetArgumentPointee;
 using testing::StrictMock;
 
 namespace gpu {
 
 class CommandBufferServiceTest : public testing::Test {
  protected:
-  virtual void SetUp() {
+  void SetUp() override {
     {
       TransferBufferManager* manager = new TransferBufferManager();
       transfer_buffer_manager_.reset(manager);
       EXPECT_TRUE(manager->Initialize());
     }
     command_buffer_.reset(
         new CommandBufferService(transfer_buffer_manager_.get()));
     EXPECT_TRUE(command_buffer_->Initialize());
   }
 
@@ skipping 111 matching lines @@
 
 TEST_F(CommandBufferServiceTest, DefaultParseErrorIsNoError) {
   EXPECT_EQ(0, GetError());
 }
 
 TEST_F(CommandBufferServiceTest, CanSetParseError) {
   command_buffer_->SetParseError(error::kInvalidSize);
   EXPECT_EQ(1, GetError());
 }
 }  // namespace gpu