Standardize usage of virtual/override/final specifiers.

gpu/command_buffer/common/gles2_cmd_format_test.cc

 // Copyright (c) 2011 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.
 
 // This file contains unit tests for gles2 commmands
 
 #include <limits>
 
 #include "base/bind.h"
 #include "base/synchronization/waitable_event.h"
 #include "base/threading/thread.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "gpu/command_buffer/common/gles2_cmd_format.h"
 
 namespace gpu {
 namespace gles2 {
 
 class GLES2FormatTest : public testing::Test {
  protected:
   static const unsigned char kInitialValue = 0xBD;
 
-  virtual void SetUp() {
-    memset(buffer_, kInitialValue, sizeof(buffer_));
-  }
+  void SetUp() override { memset(buffer_, kInitialValue, sizeof(buffer_)); }
 
-  virtual void TearDown() {
-  }
+  void TearDown() override {}
 
   template <typename T>
   T* GetBufferAs() {
     return static_cast<T*>(static_cast<void*>(&buffer_));
   }
 
   void CheckBytesWritten(
       const void* end, size_t expected_size, size_t written_size) {
     size_t actual_size = static_cast<const unsigned char*>(end) -
         GetBufferAs<const unsigned char>();
@@ skipping 78 matching lines @@
 // GCC requires these declarations, but MSVC requires they not be present
 #ifndef _MSC_VER
 const unsigned char GLES2FormatTest::kInitialValue;
 #endif
 
 #include "gpu/command_buffer/common/gles2_cmd_format_test_autogen.h"
 
 }  // namespace gles2
 }  // namespace gpu