Standardize usage of virtual/override/final specifiers.

content/common/gpu/client/gl_helper_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 <stdio.h>
 #include <cmath>
 #include <string>
 #include <vector>
 
 #include <GLES2/gl2.h>
@@ skipping 35 matching lines @@
 
 content::GLHelper::ScalerQuality kQualities[] = {
     content::GLHelper::SCALER_QUALITY_BEST,
     content::GLHelper::SCALER_QUALITY_GOOD,
     content::GLHelper::SCALER_QUALITY_FAST, };
 
 const char* kQualityNames[] = {"best", "good", "fast", };
 
 class GLHelperTest : public testing::Test {
  protected:
-  virtual void SetUp() {
+  void SetUp() override {
     WebGraphicsContext3D::Attributes attributes;
     bool lose_context_when_out_of_memory = false;
     context_ =
         WebGraphicsContext3DInProcessCommandBufferImpl::CreateOffscreenContext(
             attributes, lose_context_when_out_of_memory);
     context_->InitializeOnCurrentThread();
     context_support_ = context_->GetContextSupport();
     helper_.reset(
         new content::GLHelper(context_->GetGLInterface(), context_support_));
     helper_scaling_.reset(new content::GLHelperScaling(
         context_->GetGLInterface(), helper_.get()));
   }
 
-  virtual void TearDown() {
+  void TearDown() override {
     helper_scaling_.reset(NULL);
     helper_.reset(NULL);
     context_.reset(NULL);
   }
 
   void StartTracing(const std::string& filter) {
     base::debug::TraceLog::GetInstance()->SetEnabled(
         base::debug::CategoryFilter(filter),
         base::debug::TraceLog::RECORDING_MODE,
         base::debug::TraceOptions(
@@ skipping 1877 matching lines @@
   base::CommandLine::Init(argc, argv);
   base::TestSuite* suite = new content::ContentTestSuite(argc, argv);
 #if defined(OS_MACOSX)
   base::mac::ScopedNSAutoreleasePool pool;
 #endif
 
   content::UnitTestTestSuite runner(suite);
   base::MessageLoop message_loop;
   return runner.Run();
 }