Standardize usage of virtual/override/final specifiers.

content/common/host_shared_bitmap_manager_unittest.cc

 // Copyright (c) 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 "content/common/host_shared_bitmap_manager.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace content {
 namespace {
 
 class HostSharedBitmapManagerTest : public testing::Test {
  protected:
-  virtual void SetUp() { manager_.reset(new HostSharedBitmapManager()); }
+  void SetUp() override { manager_.reset(new HostSharedBitmapManager()); }
   scoped_ptr<HostSharedBitmapManager> manager_;
 };
 
 TEST_F(HostSharedBitmapManagerTest, TestCreate) {
   gfx::Size bitmap_size(1, 1);
   size_t size_in_bytes;
   EXPECT_TRUE(cc::SharedBitmap::SizeInBytes(bitmap_size, &size_in_bytes));
   scoped_ptr<base::SharedMemory> bitmap(new base::SharedMemory());
   bitmap->CreateAndMapAnonymous(size_in_bytes);
   memset(bitmap->memory(), 0xff, size_in_bytes);
@@ skipping 127 matching lines @@
 
   scoped_ptr<cc::SharedBitmap> shared_bitmap;
   shared_bitmap = manager_->GetSharedBitmapFromId(bitmap_size, id);
   ASSERT_TRUE(shared_bitmap.get() != NULL);
   EXPECT_EQ(memcmp(shared_bitmap->pixels(), bitmap->memory(), size_in_bytes),
             0);
 }
 
 }  // namespace
 }  // namespace content