Standardize usage of virtual/override/final in cc/

cc/resources/one_copy_raster_worker_pool.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 "cc/resources/one_copy_raster_worker_pool.h"
 
 #include <algorithm>
 
 #include "base/debug/trace_event.h"
 #include "base/debug/trace_event_argument.h"
@@ skipping 14 matching lines @@
                    ResourcePool* resource_pool,
                    const Resource* resource)
       : resource_provider_(resource_provider),
         resource_pool_(resource_pool),
         resource_(resource),
         raster_resource_(resource_pool->AcquireResource(resource->size())),
         lock_(new ResourceProvider::ScopedWriteLockGpuMemoryBuffer(
             resource_provider_,
             raster_resource_->id())) {}
 
-  virtual ~RasterBufferImpl() {
+  ~RasterBufferImpl() override {
     // First unlock raster resource.
     lock_.reset();
 
     // Copy contents of raster resource to |resource_|.
     resource_provider_->CopyResource(raster_resource_->id(), resource_->id());
 
     // Return raster resource to pool so it can be used by another RasterBuffer
     // instance.
     resource_pool_->ReleaseResource(raster_resource_.Pass());
   }
 
   // Overridden from RasterBuffer:
-  virtual void Playback(const PicturePileImpl* picture_pile,
-                        const gfx::Rect& rect,
-                        float scale,
-                        RenderingStatsInstrumentation* stats) override {
+  void Playback(const PicturePileImpl* picture_pile,
+                const gfx::Rect& rect,
+                float scale,
+                RenderingStatsInstrumentation* stats) override {
     gfx::GpuMemoryBuffer* gpu_memory_buffer = lock_->gpu_memory_buffer();
     if (!gpu_memory_buffer)
       return;
 
     RasterWorkerPool::PlaybackToMemory(gpu_memory_buffer->Map(),
                                        resource_->format(),
                                        resource_->size(),
                                        gpu_memory_buffer->GetStride(),
                                        picture_pile,
                                        rect,
@@ skipping 205 matching lines @@
                             resource_pool_->total_memory_usage_bytes());
   staging_state->SetInteger("pending_copy_count",
                             resource_pool_->total_resource_count() -
                                 resource_pool_->acquired_resource_count());
   staging_state->SetInteger("bytes_pending_copy",
                             resource_pool_->total_memory_usage_bytes() -
                                 resource_pool_->acquired_memory_usage_bytes());
 }
 
 }  // namespace cc