Standardize usage of virtual/override/final in cc/

cc/surfaces/display.h

 // 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.
 
 #ifndef CC_SURFACES_DISPLAY_H_
 #define CC_SURFACES_DISPLAY_H_
 
 #include "base/memory/scoped_ptr.h"
 #include "cc/output/output_surface_client.h"
 #include "cc/output/renderer.h"
@@ skipping 25 matching lines @@
 // (OutputSurface). The client is responsible for creating and sizing the
 // surface IDs used to draw into the display and deciding when to draw.
 class CC_SURFACES_EXPORT Display : public OutputSurfaceClient,
                                    public RendererClient,
                                    public SurfaceDamageObserver {
  public:
   Display(DisplayClient* client,
           SurfaceManager* manager,
           SharedBitmapManager* bitmap_manager,
           GpuMemoryBufferManager* gpu_memory_buffer_manager);
-  virtual ~Display();
+  ~Display() override;
 
   bool Initialize(scoped_ptr<OutputSurface> output_surface);
   void Resize(SurfaceId id, const gfx::Size& new_size);
   bool Draw();
 
   SurfaceId CurrentSurfaceId();
   int GetMaxFramesPending();
 
   // OutputSurfaceClient implementation.
-  virtual void DeferredInitialize() override {}
-  virtual void ReleaseGL() override {}
-  virtual void CommitVSyncParameters(base::TimeTicks timebase,
-                                     base::TimeDelta interval) override;
-  virtual void SetNeedsRedrawRect(const gfx::Rect& damage_rect) override {}
-  virtual void BeginFrame(const BeginFrameArgs& args) override {}
-  virtual void DidSwapBuffers() override;
-  virtual void DidSwapBuffersComplete() override;
-  virtual void ReclaimResources(const CompositorFrameAck* ack) override {}
-  virtual void DidLoseOutputSurface() override;
-  virtual void SetExternalDrawConstraints(
+  void DeferredInitialize() override {}
+  void ReleaseGL() override {}
+  void CommitVSyncParameters(base::TimeTicks timebase,
+                             base::TimeDelta interval) override;
+  void SetNeedsRedrawRect(const gfx::Rect& damage_rect) override {}
+  void BeginFrame(const BeginFrameArgs& args) override {}
+  void DidSwapBuffers() override;
+  void DidSwapBuffersComplete() override;
+  void ReclaimResources(const CompositorFrameAck* ack) override {}
+  void DidLoseOutputSurface() override;
+  void SetExternalDrawConstraints(
       const gfx::Transform& transform,
       const gfx::Rect& viewport,
       const gfx::Rect& clip,
       const gfx::Rect& viewport_rect_for_tile_priority,
       const gfx::Transform& transform_for_tile_priority,
       bool resourceless_software_draw) override {}
-  virtual void SetMemoryPolicy(const ManagedMemoryPolicy& policy) override;
-  virtual void SetTreeActivationCallback(
-      const base::Closure& callback) override {}
+  void SetMemoryPolicy(const ManagedMemoryPolicy& policy) override;
+  void SetTreeActivationCallback(const base::Closure& callback) override {}
 
   // RendererClient implementation.
-  virtual void SetFullRootLayerDamage() override {}
+  void SetFullRootLayerDamage() override {}
 
   // SurfaceDamageObserver implementation.
-  virtual void OnSurfaceDamaged(SurfaceId surface) override;
+  void OnSurfaceDamaged(SurfaceId surface) override;
 
  private:
   void InitializeRenderer();
 
   DisplayClient* client_;
   SurfaceManager* manager_;
   SharedBitmapManager* bitmap_manager_;
   GpuMemoryBufferManager* gpu_memory_buffer_manager_;
   SurfaceId current_surface_id_;
   gfx::Size current_surface_size_;
   LayerTreeSettings settings_;
   scoped_ptr<OutputSurface> output_surface_;
   scoped_ptr<ResourceProvider> resource_provider_;
   scoped_ptr<SurfaceAggregator> aggregator_;
   scoped_ptr<DirectRenderer> renderer_;
   scoped_ptr<BlockingTaskRunner> blocking_main_thread_task_runner_;
   scoped_ptr<TextureMailboxDeleter> texture_mailbox_deleter_;
 
   DISALLOW_COPY_AND_ASSIGN(Display);
 };
 
 }  // namespace cc
 
 #endif  // CC_SURFACES_DISPLAY_H_