Standardize usage of virtual/override/final in cc/

cc/trees/layer_tree_host_common_unittest.cc

 // Copyright 2011 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/trees/layer_tree_host_common.h"
 
 #include <algorithm>
 #include <set>
 
 #include "cc/animation/layer_animation_controller.h"
@@ skipping 25 matching lines @@
 #include "ui/gfx/quad_f.h"
 #include "ui/gfx/transform.h"
 
 namespace cc {
 namespace {
 
 class LayerWithForcedDrawsContent : public Layer {
  public:
   LayerWithForcedDrawsContent() {}
 
-  virtual bool DrawsContent() const override;
+  bool DrawsContent() const override;
 
  private:
-  virtual ~LayerWithForcedDrawsContent() {}
+  ~LayerWithForcedDrawsContent() override {}
 };
 
 bool LayerWithForcedDrawsContent::DrawsContent() const { return true; }
 
 class MockContentLayerClient : public ContentLayerClient {
  public:
   MockContentLayerClient() {}
-  virtual ~MockContentLayerClient() {}
-  virtual void PaintContents(
+  ~MockContentLayerClient() override {}
+  void PaintContents(
       SkCanvas* canvas,
       const gfx::Rect& clip,
       ContentLayerClient::GraphicsContextStatus gc_status) override {}
-  virtual void DidChangeLayerCanUseLCDText() override {}
-  virtual bool FillsBoundsCompletely() const override { return false; }
+  void DidChangeLayerCanUseLCDText() override {}
+  bool FillsBoundsCompletely() const override { return false; }
 };
 
 scoped_refptr<FakePictureLayer> CreateDrawablePictureLayer(
     ContentLayerClient* delegate) {
   scoped_refptr<FakePictureLayer> to_return =
       FakePictureLayer::Create(delegate);
   to_return->SetIsDrawable(true);
   return to_return;
 }
 
@@ skipping 3950 matching lines @@
             render_surface_layer_list.at(1)
                 ->render_surface()->layer_list().at(1)->id());
 }
 
 class NoScaleContentLayer : public ContentLayer {
  public:
   static scoped_refptr<NoScaleContentLayer> Create(ContentLayerClient* client) {
     return make_scoped_refptr(new NoScaleContentLayer(client));
   }
 
-  virtual void CalculateContentsScale(float ideal_contents_scale,
-                                      float* contents_scale_x,
-                                      float* contents_scale_y,
-                                      gfx::Size* content_bounds) override {
+  void CalculateContentsScale(float ideal_contents_scale,
+                              float* contents_scale_x,
+                              float* contents_scale_y,
+                              gfx::Size* content_bounds) override {
     // Skip over the ContentLayer to the base Layer class.
     Layer::CalculateContentsScale(ideal_contents_scale,
                                   contents_scale_x,
                                   contents_scale_y,
                                   content_bounds);
   }
 
  protected:
   explicit NoScaleContentLayer(ContentLayerClient* client)
       : ContentLayer(client) {}
-  virtual ~NoScaleContentLayer() {}
+  ~NoScaleContentLayer() override {}
 };
 
 scoped_refptr<NoScaleContentLayer> CreateNoScaleDrawableContentLayer(
     ContentLayerClient* delegate) {
   scoped_refptr<NoScaleContentLayer> to_return =
       NoScaleContentLayer::Create(delegate);
   to_return->SetIsDrawable(true);
   return to_return;
 }
 
@@ skipping 3705 matching lines @@
 
 class AnimationScaleFactorTrackingLayerImpl : public LayerImpl {
  public:
   static scoped_ptr<AnimationScaleFactorTrackingLayerImpl> Create(
       LayerTreeImpl* tree_impl,
       int id) {
     return make_scoped_ptr(
         new AnimationScaleFactorTrackingLayerImpl(tree_impl, id));
   }
 
-  virtual ~AnimationScaleFactorTrackingLayerImpl() {}
+  ~AnimationScaleFactorTrackingLayerImpl() override {}
 
  private:
   explicit AnimationScaleFactorTrackingLayerImpl(LayerTreeImpl* tree_impl,
                                                  int id)
       : LayerImpl(tree_impl, id) {
     SetDrawsContent(true);
   }
 };
 
 TEST_F(LayerTreeHostCommonTest, MaximumAnimationScaleFactor) {
@@ skipping 772 matching lines @@
   // by the viewport.
   EXPECT_EQ(gfx::Rect(768 / 2, 582 / 2), root->visible_content_rect());
 
   // Layers drawing to a child render surface should still have their visible
   // content rect clipped by the viewport.
   EXPECT_EQ(gfx::Rect(768 / 2, 582 / 2), content->visible_content_rect());
 }
 
 }  // namespace
 }  // namespace cc