Standardize usage of virtual/override/final in content/

content/common/gpu/image_transport_surface_calayer_mac.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 CONTENT_COMMON_GPU_IMAGE_TRANSPORT_SURFACE_CALAYER_MAC_H_
 #define CONTENT_COMMON_GPU_IMAGE_TRANSPORT_SURFACE_CALAYER_MAC_H_
 
 #include "base/mac/scoped_nsobject.h"
 #include "content/common/gpu/image_transport_surface_fbo_mac.h"
 #include "ui/base/cocoa/remote_layer_api.h"
 #include "ui/gl/gl_bindings.h"
 #include "ui/gl/scoped_cgl.h"
 
 @class ImageTransportLayer;
 
 namespace content {
 
 // Allocate CAOpenGLLayer-backed storage for an FBO image transport surface.
 class CALayerStorageProvider
     : public ImageTransportSurfaceFBO::StorageProvider {
  public:
   CALayerStorageProvider(ImageTransportSurfaceFBO* transport_surface);
-  virtual ~CALayerStorageProvider();
+  ~CALayerStorageProvider() override;
 
   // ImageTransportSurfaceFBO::StorageProvider implementation:
-  virtual gfx::Size GetRoundedSize(gfx::Size size) override;
-  virtual bool AllocateColorBufferStorage(
-      CGLContextObj context, GLuint texture,
-      gfx::Size pixel_size, float scale_factor) override;
-  virtual void FreeColorBufferStorage() override;
-  virtual void SwapBuffers(const gfx::Size& size, float scale_factor) override;
-  virtual void WillWriteToBackbuffer() override;
-  virtual void DiscardBackbuffer() override;
-  virtual void SwapBuffersAckedByBrowser(bool disable_throttling) override;
+  gfx::Size GetRoundedSize(gfx::Size size) override;
+  bool AllocateColorBufferStorage(CGLContextObj context,
+                                  GLuint texture,
+                                  gfx::Size pixel_size,
+                                  float scale_factor) override;
+  void FreeColorBufferStorage() override;
+  void SwapBuffers(const gfx::Size& size, float scale_factor) override;
+  void WillWriteToBackbuffer() override;
+  void DiscardBackbuffer() override;
+  void SwapBuffersAckedByBrowser(bool disable_throttling) override;
 
   // Interface to ImageTransportLayer:
   CGLContextObj LayerShareGroupContext();
   bool LayerCanDraw();
   void LayerDoDraw();
   void LayerResetStorageProvider();
 
  private:
   void DrawImmediatelyAndUnblockBrowser();
 
@@ skipping 32 matching lines @@
 
   // Weak factory against which a timeout task for forcing a draw is created.
   base::WeakPtrFactory<CALayerStorageProvider> pending_draw_weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(CALayerStorageProvider);
 };
 
 }  // namespace content
 
 #endif  //  CONTENT_COMMON_GPU_IMAGE_TRANSPORT_CALAYER_MAC_H_