Standardize usage of virtual/override/final specifiers.

content/common/gpu/gpu_memory_manager_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 "content/common/gpu/gpu_memory_manager.h"
 #include "content/common/gpu/gpu_memory_manager_client.h"
 #include "content/common/gpu/gpu_memory_tracking.h"
 #include "gpu/command_buffer/common/gpu_memory_allocation.h"
 #include "ui/gfx/size_conversions.h"
 
@@ skipping 130 matching lines @@
 
 class GpuMemoryManagerTest : public testing::Test {
  protected:
   static const uint64 kFrontbufferLimitForTest = 3;
 
   GpuMemoryManagerTest()
       : memmgr_(0, kFrontbufferLimitForTest) {
     memmgr_.TestingDisableScheduleManage();
   }
 
-  virtual void SetUp() {
-  }
+  void SetUp() override {}
 
   static int32 GenerateUniqueSurfaceId() {
     static int32 surface_id_ = 1;
     return surface_id_++;
   }
 
   bool IsAllocationForegroundForSurfaceYes(
       const MemoryAllocation& alloc) {
     return true;
   }
@@ skipping 232 matching lines @@
   stub_ignore_c.SetVisible(true);
   stub_ignore_c.SetVisible(false);
   Manage();
   EXPECT_TRUE(IsAllocationHibernatedForSurfaceYes(stub1.allocation_));
   EXPECT_TRUE(IsAllocationHibernatedForSurfaceYes(stub2.allocation_));
   EXPECT_TRUE(IsAllocationHibernatedForSurfaceNo(stub3.allocation_));
   EXPECT_TRUE(IsAllocationHibernatedForSurfaceNo(stub4.allocation_));
 }
 
 }  // namespace content