Standardize usage of virtual/override/final specifiers.

gpu/command_buffer/service/common_decoder_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 "gpu/command_buffer/service/common_decoder.h"
 #include "gpu/command_buffer/service/cmd_buffer_engine.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace gpu {
 
@@ skipping 133 matching lines @@
 
 const int32 MockCommandBufferEngine::kStartValidShmId;
 const int32 MockCommandBufferEngine::kValidShmId;
 const int32 MockCommandBufferEngine::kInvalidShmId;
 const size_t MockCommandBufferEngine::kBufferSize;
 const int32 MockCommandBufferEngine::kValidOffset;
 const int32 MockCommandBufferEngine::kInvalidOffset;
 
 class CommonDecoderTest : public testing::Test {
  protected:
-  virtual void SetUp() {
-    decoder_.set_engine(&engine_);
-  }
+  void SetUp() override { decoder_.set_engine(&engine_); }
 
-  virtual void TearDown() {
-  }
+  void TearDown() override {}
 
   template <typename T>
   error::Error ExecuteCmd(const T& cmd) {
     COMPILE_ASSERT(T::kArgFlags == cmd::kFixed, Cmd_kArgFlags_not_kFixed);
     return decoder_.DoCommands(
         1, (const void*)&cmd, ComputeNumEntries(sizeof(cmd)), 0);
   }
 
   template <typename T>
   error::Error ExecuteImmediateCmd(const T& cmd, size_t data_size) {
@@ skipping 328 matching lines @@
            MockCommandBufferEngine::kValidShmId, kSomeOffsetInSharedMemory);
   EXPECT_NE(error::kNoError, ExecuteCmd(cmd));
 
   // Check that it fails if the size is invalid
   cmd.Init(kBucketId, 0, sizeof(kData) + 1,
            MockCommandBufferEngine::kValidShmId, kSomeOffsetInSharedMemory);
   EXPECT_NE(error::kNoError, ExecuteCmd(cmd));
 }
 
 }  // namespace gpu