Standardize usage of virtual/override/final in cc/

cc/trees/tree_synchronizer_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/tree_synchronizer.h"
 
 #include <algorithm>
 #include <set>
 #include <vector>
 
@@ skipping 12 matching lines @@
 
 namespace cc {
 namespace {
 
 class MockLayerImpl : public LayerImpl {
  public:
   static scoped_ptr<MockLayerImpl> Create(LayerTreeImpl* tree_impl,
                                           int layer_id) {
     return make_scoped_ptr(new MockLayerImpl(tree_impl, layer_id));
   }
-  virtual ~MockLayerImpl() {
+  ~MockLayerImpl() override {
     if (layer_impl_destruction_list_)
       layer_impl_destruction_list_->push_back(id());
   }
 
   void SetLayerImplDestructionList(std::vector<int>* list) {
     layer_impl_destruction_list_ = list;
   }
 
  private:
   MockLayerImpl(LayerTreeImpl* tree_impl, int layer_id)
       : LayerImpl(tree_impl, layer_id),
         layer_impl_destruction_list_(NULL) {}
 
   std::vector<int>* layer_impl_destruction_list_;
 };
 
 class MockLayer : public Layer {
  public:
   static scoped_refptr<MockLayer> Create(
       std::vector<int>* layer_impl_destruction_list) {
     return make_scoped_refptr(new MockLayer(layer_impl_destruction_list));
   }
 
-  virtual scoped_ptr<LayerImpl> CreateLayerImpl(LayerTreeImpl* tree_impl)
-      override {
+  scoped_ptr<LayerImpl> CreateLayerImpl(LayerTreeImpl* tree_impl) override {
     return MockLayerImpl::Create(tree_impl, layer_id_);
   }
 
-  virtual void PushPropertiesTo(LayerImpl* layer_impl) override {
+  void PushPropertiesTo(LayerImpl* layer_impl) override {
     Layer::PushPropertiesTo(layer_impl);
 
     MockLayerImpl* mock_layer_impl = static_cast<MockLayerImpl*>(layer_impl);
     mock_layer_impl->SetLayerImplDestructionList(layer_impl_destruction_list_);
   }
 
  private:
   explicit MockLayer(std::vector<int>* layer_impl_destruction_list)
       : Layer(), layer_impl_destruction_list_(layer_impl_destruction_list) {}
-  virtual ~MockLayer() {}
+  ~MockLayer() override {}
 
   std::vector<int>* layer_impl_destruction_list_;
 };
 
 class FakeLayerAnimationController : public LayerAnimationController {
  public:
   static scoped_refptr<LayerAnimationController> Create() {
     return static_cast<LayerAnimationController*>(
         new FakeLayerAnimationController);
   }
 
   bool SynchronizedAnimations() const { return synchronized_animations_; }
 
  private:
   FakeLayerAnimationController()
       : LayerAnimationController(1),
         synchronized_animations_(false) {}
 
-  virtual ~FakeLayerAnimationController() {}
+  ~FakeLayerAnimationController() override {}
 
-  virtual void PushAnimationUpdatesTo(LayerAnimationController* controller_impl)
-      override {
+  void PushAnimationUpdatesTo(
+      LayerAnimationController* controller_impl) override {
     LayerAnimationController::PushAnimationUpdatesTo(controller_impl);
     synchronized_animations_ = true;
   }
 
   bool synchronized_animations_;
 };
 
 void ExpectTreesAreIdentical(Layer* layer,
                              LayerImpl* layer_impl,
                              LayerTreeImpl* tree_impl) {
@@ skipping 638 matching lines @@
                           host_impl->active_tree());
 
   // The clip children should have been unhooked.
   EXPECT_EQ(2u, intervening->children().size());
   EXPECT_FALSE(clip_child2->clip_parent());
   EXPECT_FALSE(additional_clip_child->clip_parent());
 }
 
 }  // namespace
 }  // namespace cc