Standardize usage of virtual/override/final in cc/

cc/trees/layer_tree_host_unittest_delegated.cc

 // Copyright 2013 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.h"
 
 #include <algorithm>
 
 #include "base/bind.h"
 #include "base/location.h"
@@ skipping 234 matching lines @@
 class LayerTreeHostDelegatedTestCaseSingleDelegatedLayer
     : public LayerTreeHostDelegatedTest,
       public DelegatedFrameResourceCollectionClient {
  public:
   LayerTreeHostDelegatedTestCaseSingleDelegatedLayer()
       : resource_collection_(new DelegatedFrameResourceCollection),
         available_(false) {
     resource_collection_->SetClient(this);
   }
 
-  virtual void SetupTree() override {
+  void SetupTree() override {
     root_ = Layer::Create();
     root_->SetBounds(gfx::Size(15, 15));
 
     layer_tree_host()->SetRootLayer(root_);
     LayerTreeHostDelegatedTest::SetupTree();
   }
 
-  virtual void BeginTest() override {
+  void BeginTest() override {
     resource_collection_->SetClient(this);
     PostSetNeedsCommitToMainThread();
   }
 
   void SetFrameData(scoped_ptr<DelegatedFrameData> frame_data) {
     RenderPass* root_pass = frame_data->render_pass_list.back();
     gfx::Size frame_size = root_pass->output_rect.size();
 
     if (frame_provider_.get() && frame_size == frame_provider_->frame_size()) {
       frame_provider_->SetFrameData(frame_data.Pass());
@@ skipping 16 matching lines @@
       DelegatedFrameProvider* frame_provider) {
     scoped_refptr<DelegatedRendererLayer> delegated =
         FakeDelegatedRendererLayer::Create(frame_provider);
     delegated->SetBounds(gfx::Size(10, 10));
     delegated->SetIsDrawable(true);
 
     root_->AddChild(delegated);
     return delegated;
   }
 
-  virtual void AfterTest() override { resource_collection_->SetClient(NULL); }
+  void AfterTest() override { resource_collection_->SetClient(NULL); }
 
   // DelegatedFrameProviderClient implementation.
-  virtual void UnusedResourcesAreAvailable() override { available_ = true; }
+  void UnusedResourcesAreAvailable() override { available_ = true; }
 
   bool TestAndResetAvailable() {
     bool available = available_;
     available_ = false;
     return available;
   }
 
  protected:
   scoped_refptr<DelegatedFrameResourceCollection> resource_collection_;
   scoped_refptr<DelegatedFrameProvider> frame_provider_;
   scoped_refptr<Layer> root_;
   scoped_refptr<DelegatedRendererLayer> delegated_;
   bool available_;
 };
 
 class LayerTreeHostDelegatedTestCreateChildId
     : public LayerTreeHostDelegatedTestCaseSingleDelegatedLayer {
  public:
   LayerTreeHostDelegatedTestCreateChildId()
       : LayerTreeHostDelegatedTestCaseSingleDelegatedLayer(),
         num_activates_(0),
         did_reset_child_id_(false) {}
 
-  virtual void DidCommit() override {
+  void DidCommit() override {
     if (TestEnded())
       return;
     SetFrameData(CreateFrameData(gfx::Rect(0, 0, 1, 1), gfx::Rect(0, 0, 1, 1)));
   }
 
-  virtual void DidActivateTreeOnThread(LayerTreeHostImpl* host_impl) override {
+  void DidActivateTreeOnThread(LayerTreeHostImpl* host_impl) override {
     if (host_impl->active_tree()->source_frame_number() < 1)
       return;
 
     LayerImpl* root_impl = host_impl->active_tree()->root_layer();
     FakeDelegatedRendererLayerImpl* delegated_impl =
         static_cast<FakeDelegatedRendererLayerImpl*>(root_impl->children()[0]);
 
     TestContextProvider* context_provider = static_cast<TestContextProvider*>(
         host_impl->output_surface()->context_provider());
 
     ++num_activates_;
     switch (num_activates_) {
       case 2:
         EXPECT_TRUE(delegated_impl->ChildId());
         EXPECT_FALSE(did_reset_child_id_);
 
         context_provider->ContextGL()->LoseContextCHROMIUM(
             GL_GUILTY_CONTEXT_RESET_ARB,
             GL_INNOCENT_CONTEXT_RESET_ARB);
         context_provider->ContextGL()->Flush();
         break;
       case 3:
         EXPECT_TRUE(delegated_impl->ChildId());
         EXPECT_TRUE(did_reset_child_id_);
         EndTest();
         break;
     }
   }
 
-  virtual void InitializedRendererOnThread(LayerTreeHostImpl* host_impl,
-                                           bool success) override {
+  void InitializedRendererOnThread(LayerTreeHostImpl* host_impl,
+                                   bool success) override {
     EXPECT_TRUE(success);
 
     if (num_activates_ < 2)
       return;
 
     LayerImpl* root_impl = host_impl->active_tree()->root_layer();
     FakeDelegatedRendererLayerImpl* delegated_impl =
         static_cast<FakeDelegatedRendererLayerImpl*>(root_impl->children()[0]);
 
     EXPECT_EQ(2, num_activates_);
@@ skipping 10 matching lines @@
 
 // Test that we can gracefully handle invalid frames after the context was lost.
 // For example, we might be trying to use the previous frame in that case and
 // have to make sure we don't crash because our resource accounting goes wrong.
 class LayerTreeHostDelegatedTestInvalidFrameAfterContextLost
     : public LayerTreeHostDelegatedTestCaseSingleDelegatedLayer {
  public:
   LayerTreeHostDelegatedTestInvalidFrameAfterContextLost()
       : num_activates_(0), num_output_surfaces_initialized_(0) {}
 
-  virtual void DidCommit() override {
+  void DidCommit() override {
     if (TestEnded())
       return;
     scoped_ptr<DelegatedFrameData> frame1 =
         CreateFrameData(gfx::Rect(0, 0, 1, 1), gfx::Rect(0, 0, 1, 1));
     AddTextureQuad(frame1.get(), 999);
     AddTransferableResource(frame1.get(), 999);
     SetFrameData(frame1.Pass());
   }
 
-  virtual void DidInitializeOutputSurface() override {
+  void DidInitializeOutputSurface() override {
     if (!num_output_surfaces_initialized_++)
       return;
 
     scoped_refptr<DelegatedRendererLayer> old_delegated = delegated_;
     SetFrameData(
         CreateInvalidFrameData(gfx::Rect(0, 0, 1, 1), gfx::Rect(0, 0, 1, 1)));
     // Make sure we end up using the same layer, or we won't test the right
     // thing, which is to make sure we can handle an invalid frame when using
     // a stale layer from before the context was lost.
     DCHECK(delegated_.get() == old_delegated.get());
   }
 
-  virtual void DidActivateTreeOnThread(LayerTreeHostImpl* host_impl) override {
+  void DidActivateTreeOnThread(LayerTreeHostImpl* host_impl) override {
     if (host_impl->active_tree()->source_frame_number() < 1)
       return;
 
     TestContextProvider* context_provider = static_cast<TestContextProvider*>(
         host_impl->output_surface()->context_provider());
 
     ++num_activates_;
     switch (num_activates_) {
       case 2:
         context_provider->ContextGL()->LoseContextCHROMIUM(
             GL_GUILTY_CONTEXT_RESET_ARB,
             GL_INNOCENT_CONTEXT_RESET_ARB);
         break;
       case 3:
         EndTest();
         break;
     }
   }
 
-  virtual void InitializedRendererOnThread(LayerTreeHostImpl* host_impl,
-                                           bool success) override {
+  void InitializedRendererOnThread(LayerTreeHostImpl* host_impl,
+                                   bool success) override {
     EXPECT_TRUE(success);
 
     if (num_activates_ < 2)
       return;
 
     LayerImpl* root_impl = host_impl->active_tree()->root_layer();
     FakeDelegatedRendererLayerImpl* delegated_impl =
         static_cast<FakeDelegatedRendererLayerImpl*>(root_impl->children()[0]);
 
     EXPECT_EQ(2, num_activates_);
     // Resources should have gotten cleared after the context was lost.
     EXPECT_EQ(0U, delegated_impl->Resources().size());
   }
 
-  virtual void AfterTest() override {
+  void AfterTest() override {
     LayerTreeHostDelegatedTestCaseSingleDelegatedLayer::AfterTest();
     EXPECT_EQ(2, num_output_surfaces_initialized_);
   }
 
  protected:
   int num_activates_;
   int num_output_surfaces_initialized_;
 };
 
 SINGLE_AND_MULTI_THREAD_TEST_F(
     LayerTreeHostDelegatedTestInvalidFrameAfterContextLost);
 
 class LayerTreeHostDelegatedTestLayerUsesFrameDamage
     : public LayerTreeHostDelegatedTestCaseSingleDelegatedLayer {
  public:
   LayerTreeHostDelegatedTestLayerUsesFrameDamage()
       : LayerTreeHostDelegatedTestCaseSingleDelegatedLayer(),
         first_draw_for_source_frame_(true) {}
 
-  virtual void DidCommit() override {
+  void DidCommit() override {
     int next_source_frame_number = layer_tree_host()->source_frame_number();
     switch (next_source_frame_number) {
       case 1:
         // The first time the layer gets a frame the whole layer should be
         // damaged.
         SetFrameData(
             CreateFrameData(gfx::Rect(0, 0, 1, 1), gfx::Rect(0, 0, 1, 1)));
         break;
       case 2:
         // A different frame size will damage the whole layer.
@@ skipping 89 matching lines @@
       case 18:
         // Set another new frame, both layers should be damaged in the same
         // ways.
         SetFrameData(
             CreateFrameData(gfx::Rect(0, 0, 10, 10), gfx::Rect(3, 3, 1, 1)));
         break;
     }
     first_draw_for_source_frame_ = true;
   }
 
-  virtual DrawResult PrepareToDrawOnThread(
-      LayerTreeHostImpl* host_impl,
-      LayerTreeHostImpl::FrameData* frame,
-      DrawResult draw_result) override {
+  DrawResult PrepareToDrawOnThread(LayerTreeHostImpl* host_impl,
+                                   LayerTreeHostImpl::FrameData* frame,
+                                   DrawResult draw_result) override {
     EXPECT_EQ(DRAW_SUCCESS, draw_result);
 
     if (!first_draw_for_source_frame_)
       return draw_result;
 
     gfx::Rect damage_rect;
     if (!frame->has_no_damage) {
       damage_rect = frame->render_passes.back()->damage_rect;
     } else {
       // If there is no damage, then we have no render passes to send.
@@ skipping 70 matching lines @@
  protected:
   scoped_refptr<DelegatedRendererLayer> delegated_copy_;
   bool first_draw_for_source_frame_;
 };
 
 SINGLE_AND_MULTI_THREAD_TEST_F(LayerTreeHostDelegatedTestLayerUsesFrameDamage);
 
 class LayerTreeHostDelegatedTestMergeResources
     : public LayerTreeHostDelegatedTestCaseSingleDelegatedLayer {
  public:
-  virtual void BeginTest() override {
+  void BeginTest() override {
     // Push two frames to the delegated renderer layer with no commit between.
 
     // The first frame has resource 999.
     scoped_ptr<DelegatedFrameData> frame1 =
         CreateFrameData(gfx::Rect(0, 0, 1, 1), gfx::Rect(0, 0, 1, 1));
     AddTextureQuad(frame1.get(), 999);
     AddTransferableResource(frame1.get(), 999);
     SetFrameData(frame1.Pass());
 
     // The second frame uses resource 999 still, but also adds 555.
@@ skipping 12 matching lines @@
         &returned_resources);
     {
       unsigned expected[] = {999};
       EXPECT_RESOURCES(expected, returned_resources);
       EXPECT_TRUE(TestAndResetAvailable());
     }
 
     PostSetNeedsCommitToMainThread();
   }
 
-  virtual void DidActivateTreeOnThread(LayerTreeHostImpl* host_impl) override {
+  void DidActivateTreeOnThread(LayerTreeHostImpl* host_impl) override {
     LayerImpl* root_impl = host_impl->active_tree()->root_layer();
     FakeDelegatedRendererLayerImpl* delegated_impl =
         static_cast<FakeDelegatedRendererLayerImpl*>(root_impl->children()[0]);
 
     const ResourceProvider::ResourceIdMap& map =
         host_impl->resource_provider()->GetChildToParentMap(
             delegated_impl->ChildId());
 
     // Both frames' resources should be in the parent's resource provider.
     EXPECT_EQ(2u, map.size());
     EXPECT_EQ(1u, map.count(999));
     EXPECT_EQ(1u, map.count(555));
 
     EXPECT_EQ(2u, delegated_impl->Resources().size());
     EXPECT_EQ(1u, delegated_impl->Resources().count(999));
     EXPECT_EQ(1u, delegated_impl->Resources().count(555));
 
     EndTest();
   }
 };
 
 SINGLE_AND_MULTI_THREAD_TEST_F(LayerTreeHostDelegatedTestMergeResources);
 
 class LayerTreeHostDelegatedTestRemapResourcesInQuads
     : public LayerTreeHostDelegatedTestCaseSingleDelegatedLayer {
  public:
-  virtual void BeginTest() override {
+  void BeginTest() override {
     // Generate a frame with two resources in it.
     scoped_ptr<DelegatedFrameData> frame =
         CreateFrameData(gfx::Rect(0, 0, 1, 1), gfx::Rect(0, 0, 1, 1));
     AddTextureQuad(frame.get(), 999);
     AddTransferableResource(frame.get(), 999);
     AddTextureQuad(frame.get(), 555);
     AddTransferableResource(frame.get(), 555);
     SetFrameData(frame.Pass());
 
     PostSetNeedsCommitToMainThread();
   }
 
-  virtual void DidActivateTreeOnThread(LayerTreeHostImpl* host_impl) override {
+  void DidActivateTreeOnThread(LayerTreeHostImpl* host_impl) override {
     LayerImpl* root_impl = host_impl->active_tree()->root_layer();
     FakeDelegatedRendererLayerImpl* delegated_impl =
         static_cast<FakeDelegatedRendererLayerImpl*>(root_impl->children()[0]);
 
     const ResourceProvider::ResourceIdMap& map =
         host_impl->resource_provider()->GetChildToParentMap(
             delegated_impl->ChildId());
 
     // The frame's resource should be in the parent's resource provider.
     EXPECT_EQ(2u, map.size());
@@ skipping 15 matching lines @@
 
     EndTest();
   }
 };
 
 SINGLE_AND_MULTI_THREAD_TEST_F(LayerTreeHostDelegatedTestRemapResourcesInQuads);
 
 class LayerTreeHostDelegatedTestReturnUnusedResources
     : public LayerTreeHostDelegatedTestCaseSingleDelegatedLayer {
  public:
-  virtual void BeginTest() override {
-    PostSetNeedsCommitToMainThread();
-  }
+  void BeginTest() override { PostSetNeedsCommitToMainThread(); }
 
-  virtual void DidCommitAndDrawFrame() override {
+  void DidCommitAndDrawFrame() override {
     scoped_ptr<DelegatedFrameData> frame;
     ReturnedResourceArray resources;
 
     int next_source_frame_number = layer_tree_host()->source_frame_number();
     switch (next_source_frame_number) {
       case 1:
         // Generate a frame with two resources in it.
         frame = CreateFrameData(gfx::Rect(0, 0, 1, 1), gfx::Rect(0, 0, 1, 1));
         AddTextureQuad(frame.get(), 999);
         AddTransferableResource(frame.get(), 999);
@@ skipping 47 matching lines @@
     }
 
     // Resources are never immediately released.
     ReturnedResourceArray empty_resources;
     resource_collection_->TakeUnusedResourcesForChildCompositor(
         &empty_resources);
     EXPECT_EQ(0u, empty_resources.size());
     EXPECT_FALSE(TestAndResetAvailable());
   }
 
-  virtual void SwapBuffersOnThread(LayerTreeHostImpl* host_impl,
-                                   bool result) override {
+  void SwapBuffersOnThread(LayerTreeHostImpl* host_impl, bool result) override {
     ReturnUnusedResourcesFromParent(host_impl);
   }
 };
 
 SINGLE_AND_MULTI_THREAD_TEST_F(
     LayerTreeHostDelegatedTestReturnUnusedResources);
 
 class LayerTreeHostDelegatedTestReusedResources
     : public LayerTreeHostDelegatedTestCaseSingleDelegatedLayer {
  public:
-  virtual void BeginTest() override {
-    PostSetNeedsCommitToMainThread();
-  }
+  void BeginTest() override { PostSetNeedsCommitToMainThread(); }
 
-  virtual void DidCommitAndDrawFrame() override {
+  void DidCommitAndDrawFrame() override {
     scoped_ptr<DelegatedFrameData> frame;
     ReturnedResourceArray resources;
 
     int next_source_frame_number = layer_tree_host()->source_frame_number();
     switch (next_source_frame_number) {
       case 1:
         // Generate a frame with some resources in it.
         frame = CreateFrameData(gfx::Rect(0, 0, 1, 1), gfx::Rect(0, 0, 1, 1));
         AddTextureQuad(frame.get(), 999);
         AddTransferableResource(frame.get(), 999);
@@ skipping 35 matching lines @@
         {
           unsigned expected[] = {999, 999};
           EXPECT_RESOURCES(expected, resources);
           EXPECT_TRUE(TestAndResetAvailable());
         }
         EndTest();
         break;
     }
   }
 
-  virtual void SwapBuffersOnThread(LayerTreeHostImpl* host_impl,
-                                   bool result) override {
+  void SwapBuffersOnThread(LayerTreeHostImpl* host_impl, bool result) override {
     ReturnUnusedResourcesFromParent(host_impl);
   }
 };
 
 SINGLE_AND_MULTI_THREAD_TEST_F(LayerTreeHostDelegatedTestReusedResources);
 
 class LayerTreeHostDelegatedTestFrameBeforeAck
     : public LayerTreeHostDelegatedTestCaseSingleDelegatedLayer {
  public:
-  virtual void BeginTest() override {
-    PostSetNeedsCommitToMainThread();
-  }
+  void BeginTest() override { PostSetNeedsCommitToMainThread(); }
 
-  virtual void DidCommitAndDrawFrame() override {
+  void DidCommitAndDrawFrame() override {
     scoped_ptr<DelegatedFrameData> frame;
     ReturnedResourceArray resources;
 
     int next_source_frame_number = layer_tree_host()->source_frame_number();
     switch (next_source_frame_number) {
       case 1:
         // Generate a frame with some resources in it.
         frame = CreateFrameData(gfx::Rect(0, 0, 1, 1), gfx::Rect(0, 0, 1, 1));
         AddTextureQuad(frame.get(), 999);
         AddTransferableResource(frame.get(), 999);
@@ skipping 34 matching lines @@
         // frame.
         frame = CreateFrameData(gfx::Rect(0, 0, 1, 1), gfx::Rect(0, 0, 1, 1));
         AddTextureQuad(frame.get(), 999);
         AddTextureQuad(frame.get(), 555);
         AddTextureQuad(frame.get(), 444);
         SetFrameData(frame.Pass());
         break;
     }
   }
 
-  virtual void DidActivateTreeOnThread(LayerTreeHostImpl* host_impl) override {
+  void DidActivateTreeOnThread(LayerTreeHostImpl* host_impl) override {
     if (host_impl->active_tree()->source_frame_number() != 3)
       return;
 
     LayerImpl* root_impl = host_impl->active_tree()->root_layer();
     FakeDelegatedRendererLayerImpl* delegated_impl =
         static_cast<FakeDelegatedRendererLayerImpl*>(root_impl->children()[0]);
 
     const ResourceProvider::ResourceIdMap& map =
         host_impl->resource_provider()->GetChildToParentMap(
             delegated_impl->ChildId());
 
     // The bad frame should be dropped. So we should only have one quad (the
     // one with resource 999) on the impl tree. And only 999 will be present
     // in the parent's resource provider.
     EXPECT_EQ(1u, map.size());
     EXPECT_EQ(1u, map.count(999));
 
     EXPECT_EQ(1u, delegated_impl->Resources().size());
     EXPECT_EQ(1u, delegated_impl->Resources().count(999));
 
     const RenderPass* pass = delegated_impl->RenderPassesInDrawOrder()[0];
     EXPECT_EQ(1u, pass->quad_list.size());
     const TextureDrawQuad* quad =
         TextureDrawQuad::MaterialCast(pass->quad_list.front());
     EXPECT_EQ(map.find(999)->second, quad->resource_id);
 
     EndTest();
   }
 
-  virtual void SwapBuffersOnThread(LayerTreeHostImpl* host_impl,
-                                   bool result) override {
+  void SwapBuffersOnThread(LayerTreeHostImpl* host_impl, bool result) override {
     ReturnUnusedResourcesFromParent(host_impl);
   }
 };
 
 SINGLE_AND_MULTI_THREAD_TEST_F(LayerTreeHostDelegatedTestFrameBeforeAck);
 
 class LayerTreeHostDelegatedTestFrameBeforeTakeResources
     : public LayerTreeHostDelegatedTestCaseSingleDelegatedLayer {
  public:
-  virtual void BeginTest() override {
-    PostSetNeedsCommitToMainThread();
-  }
+  void BeginTest() override { PostSetNeedsCommitToMainThread(); }
 
-  virtual void DidCommitAndDrawFrame() override {
+  void DidCommitAndDrawFrame() override {
     scoped_ptr<DelegatedFrameData> frame;
     ReturnedResourceArray resources;
 
     int next_source_frame_number = layer_tree_host()->source_frame_number();
     switch (next_source_frame_number) {
       case 1:
         // Generate a frame with some resources in it.
         frame = CreateFrameData(gfx::Rect(0, 0, 1, 1), gfx::Rect(0, 0, 1, 1));
         AddTextureQuad(frame.get(), 999);
         AddTransferableResource(frame.get(), 999);
@@ skipping 46 matching lines @@
         break;
       case 4:
         resource_collection_->TakeUnusedResourcesForChildCompositor(&resources);
         EXPECT_EQ(0u, resources.size());
         EXPECT_FALSE(TestAndResetAvailable());
         EndTest();
         break;
     }
   }
 
-  virtual void DidActivateTreeOnThread(LayerTreeHostImpl* host_impl) override {
+  void DidActivateTreeOnThread(LayerTreeHostImpl* host_impl) override {
     if (host_impl->active_tree()->source_frame_number() != 3)
       return;
 
     LayerImpl* root_impl = host_impl->active_tree()->root_layer();
     FakeDelegatedRendererLayerImpl* delegated_impl =
         static_cast<FakeDelegatedRendererLayerImpl*>(root_impl->children()[0]);
 
     const ResourceProvider::ResourceIdMap& map =
         host_impl->resource_provider()->GetChildToParentMap(
             delegated_impl->ChildId());
@@ skipping 16 matching lines @@
         TextureDrawQuad::MaterialCast(pass->quad_list.ElementAt(0));
     EXPECT_EQ(map.find(999)->second, quad1->resource_id);
     const TextureDrawQuad* quad2 =
         TextureDrawQuad::MaterialCast(pass->quad_list.ElementAt(1));
     EXPECT_EQ(map.find(555)->second, quad2->resource_id);
     const TextureDrawQuad* quad3 =
         TextureDrawQuad::MaterialCast(pass->quad_list.ElementAt(2));
     EXPECT_EQ(map.find(444)->second, quad3->resource_id);
   }
 
-  virtual void SwapBuffersOnThread(LayerTreeHostImpl* host_impl,
-                                   bool result) override {
+  void SwapBuffersOnThread(LayerTreeHostImpl* host_impl, bool result) override {
     ReturnUnusedResourcesFromParent(host_impl);
   }
 };
 
 SINGLE_AND_MULTI_THREAD_TEST_F(
     LayerTreeHostDelegatedTestFrameBeforeTakeResources);
 
 class LayerTreeHostDelegatedTestBadFrame
     : public LayerTreeHostDelegatedTestCaseSingleDelegatedLayer {
  public:
-  virtual void BeginTest() override {
-    PostSetNeedsCommitToMainThread();
-  }
+  void BeginTest() override { PostSetNeedsCommitToMainThread(); }
 
-  virtual void DidCommitAndDrawFrame() override {
+  void DidCommitAndDrawFrame() override {
     scoped_ptr<DelegatedFrameData> frame;
     ReturnedResourceArray resources;
 
     int next_source_frame_number = layer_tree_host()->source_frame_number();
     switch (next_source_frame_number) {
       case 1:
         // Generate a frame with some resources in it.
         frame = CreateFrameData(gfx::Rect(0, 0, 1, 1), gfx::Rect(0, 0, 1, 1));
         AddTextureQuad(frame.get(), 999);
         AddTransferableResource(frame.get(), 999);
@@ skipping 46 matching lines @@
           unsigned expected[] = {555};
           EXPECT_RESOURCES(expected, resources);
           EXPECT_TRUE(TestAndResetAvailable());
         }
 
         EndTest();
         break;
     }
   }
 
-  virtual void SwapBuffersOnThread(LayerTreeHostImpl* host_impl,
-                                   bool result) override {
+  void SwapBuffersOnThread(LayerTreeHostImpl* host_impl, bool result) override {
     if (host_impl->active_tree()->source_frame_number() < 1)
       return;
 
     ReturnUnusedResourcesFromParent(host_impl);
 
     LayerImpl* root_impl = host_impl->active_tree()->root_layer();
     FakeDelegatedRendererLayerImpl* delegated_impl =
         static_cast<FakeDelegatedRendererLayerImpl*>(root_impl->children()[0]);
 
     const ResourceProvider::ResourceIdMap& map =
@@ skipping 61 matching lines @@
       }
     }
   }
 };
 
 SINGLE_AND_MULTI_THREAD_TEST_F(LayerTreeHostDelegatedTestBadFrame);
 
 class LayerTreeHostDelegatedTestUnnamedResource
     : public LayerTreeHostDelegatedTestCaseSingleDelegatedLayer {
  public:
-  virtual void BeginTest() override {
-    PostSetNeedsCommitToMainThread();
-  }
+  void BeginTest() override { PostSetNeedsCommitToMainThread(); }
 
-  virtual void DidCommit() override {
+  void DidCommit() override {
     scoped_ptr<DelegatedFrameData> frame;
     ReturnedResourceArray resources;
 
     int next_source_frame_number = layer_tree_host()->source_frame_number();
     switch (next_source_frame_number) {
       case 1:
         // This frame includes two resources in it, but only uses one.
         frame = CreateFrameData(gfx::Rect(0, 0, 1, 1), gfx::Rect(0, 0, 1, 1));
         AddTransferableResource(frame.get(), 999);
         AddTextureQuad(frame.get(), 555);
@@ skipping 15 matching lines @@
           unsigned expected[] = {999};
           EXPECT_RESOURCES(expected, resources);
           EXPECT_TRUE(TestAndResetAvailable());
         }
 
         EndTest();
         break;
     }
   }
 
-  virtual void DidActivateTreeOnThread(LayerTreeHostImpl* host_impl) override {
+  void DidActivateTreeOnThread(LayerTreeHostImpl* host_impl) override {
     if (host_impl->active_tree()->source_frame_number() != 1)
       return;
 
     LayerImpl* root_impl = host_impl->active_tree()->root_layer();
     FakeDelegatedRendererLayerImpl* delegated_impl =
         static_cast<FakeDelegatedRendererLayerImpl*>(root_impl->children()[0]);
 
     const ResourceProvider::ResourceIdMap& map =
         host_impl->resource_provider()->GetChildToParentMap(
             delegated_impl->ChildId());
 
     // The layer only held on to the resource that was used.
     EXPECT_EQ(1u, map.size());
     EXPECT_EQ(1u, map.count(555));
 
     EXPECT_EQ(1u, delegated_impl->Resources().size());
     EXPECT_EQ(1u, delegated_impl->Resources().count(555));
   }
 };
 
 SINGLE_AND_MULTI_THREAD_TEST_F(LayerTreeHostDelegatedTestUnnamedResource);
 
 class LayerTreeHostDelegatedTestDontLeakResource
     : public LayerTreeHostDelegatedTestCaseSingleDelegatedLayer {
  public:
-  virtual void BeginTest() override {
-    PostSetNeedsCommitToMainThread();
-  }
+  void BeginTest() override { PostSetNeedsCommitToMainThread(); }
 
-  virtual void DidCommitAndDrawFrame() override {
+  void DidCommitAndDrawFrame() override {
     scoped_ptr<DelegatedFrameData> frame;
     ReturnedResourceArray resources;
 
     int next_source_frame_number = layer_tree_host()->source_frame_number();
     switch (next_source_frame_number) {
       case 1:
         // This frame includes two resources in it.
         frame = CreateFrameData(gfx::Rect(0, 0, 1, 1), gfx::Rect(0, 0, 1, 1));
         AddTextureQuad(frame.get(), 999);
         AddTransferableResource(frame.get(), 999);
@@ skipping 27 matching lines @@
         {
           unsigned expected[] = {555};
           EXPECT_RESOURCES(expected, resources);
           EXPECT_TRUE(TestAndResetAvailable());
         }
         EndTest();
         break;
     }
   }
 
-  virtual void DidActivateTreeOnThread(LayerTreeHostImpl* host_impl) override {
+  void DidActivateTreeOnThread(LayerTreeHostImpl* host_impl) override {
     if (host_impl->active_tree()->source_frame_number() != 1)
       return;
 
     LayerImpl* root_impl = host_impl->active_tree()->root_layer();
     FakeDelegatedRendererLayerImpl* delegated_impl =
         static_cast<FakeDelegatedRendererLayerImpl*>(root_impl->children()[0]);
 
     const ResourceProvider::ResourceIdMap& map =
         host_impl->resource_provider()->GetChildToParentMap(
             delegated_impl->ChildId());
 
     // The layer only held on to the resource that was used.
     EXPECT_EQ(1u, map.size());
     EXPECT_EQ(1u, map.count(555));
 
     EXPECT_EQ(1u, delegated_impl->Resources().size());
     EXPECT_EQ(1u, delegated_impl->Resources().count(555));
   }
 
-  virtual void SwapBuffersOnThread(LayerTreeHostImpl* host_impl,
-                                   bool result) override {
+  void SwapBuffersOnThread(LayerTreeHostImpl* host_impl, bool result) override {
     ReturnUnusedResourcesFromParent(host_impl);
   }
 };
 
 SINGLE_AND_MULTI_THREAD_TEST_F(LayerTreeHostDelegatedTestDontLeakResource);
 
 class LayerTreeHostDelegatedTestResourceSentToParent
     : public LayerTreeHostDelegatedTestCaseSingleDelegatedLayer {
  public:
-  virtual void DidCommitAndDrawFrame() override {
+  void DidCommitAndDrawFrame() override {
     scoped_ptr<DelegatedFrameData> frame;
     ReturnedResourceArray resources;
 
     int next_source_frame_number = layer_tree_host()->source_frame_number();
     switch (next_source_frame_number) {
       case 1:
         // This frame includes two resources in it.
         frame = CreateFrameData(gfx::Rect(0, 0, 1, 1), gfx::Rect(0, 0, 1, 1));
         AddTextureQuad(frame.get(), 999);
         AddTransferableResource(frame.get(), 999);
@@ skipping 34 matching lines @@
     const ResourceProvider::ResourceIdMap& map =
         host_impl->resource_provider()->GetChildToParentMap(
             delegated_impl->ChildId());
 
     // Receive 999 back from the grandparent.
     CompositorFrameAck ack;
     output_surface()->ReturnResource(map.find(999)->second, &ack);
     host_impl->ReclaimResources(&ack);
   }
 
-  virtual void UnusedResourcesAreAvailable() override {
+  void UnusedResourcesAreAvailable() override {
     EXPECT_EQ(3, layer_tree_host()->source_frame_number());
 
     ReturnedResourceArray resources;
 
     // 999 was returned from the grandparent and could be released.
     resource_collection_->TakeUnusedResourcesForChildCompositor(&resources);
     {
       unsigned expected[] = {999};
       EXPECT_RESOURCES(expected, resources);
     }
 
     EndTest();
   }
 
-  virtual void DidActivateTreeOnThread(LayerTreeHostImpl* host_impl) override {
+  void DidActivateTreeOnThread(LayerTreeHostImpl* host_impl) override {
     if (host_impl->active_tree()->source_frame_number() < 1)
       return;
 
     LayerImpl* root_impl = host_impl->active_tree()->root_layer();
     FakeDelegatedRendererLayerImpl* delegated_impl =
         static_cast<FakeDelegatedRendererLayerImpl*>(root_impl->children()[0]);
 
     const ResourceProvider::ResourceIdMap& map =
         host_impl->resource_provider()->GetChildToParentMap(
             delegated_impl->ChildId());
@@ skipping 40 matching lines @@
 
   base::Closure receive_resource_on_thread_;
 };
 
 SINGLE_AND_MULTI_THREAD_DELEGATING_RENDERER_TEST_F(
     LayerTreeHostDelegatedTestResourceSentToParent);
 
 class LayerTreeHostDelegatedTestCommitWithoutTake
     : public LayerTreeHostDelegatedTestCaseSingleDelegatedLayer {
  public:
-  virtual void BeginTest() override {
+  void BeginTest() override {
     // Prevent drawing with resources that are sent to the grandparent.
     layer_tree_host()->SetViewportSize(gfx::Size());
     PostSetNeedsCommitToMainThread();
   }
 
-  virtual void DidCommit() override {
+  void DidCommit() override {
     scoped_ptr<DelegatedFrameData> frame;
     ReturnedResourceArray resources;
 
     int next_source_frame_number = layer_tree_host()->source_frame_number();
     switch (next_source_frame_number) {
       case 1:
         frame = CreateFrameData(gfx::Rect(0, 0, 1, 1), gfx::Rect(0, 0, 1, 1));
         AddTextureQuad(frame.get(), 999);
         AddTransferableResource(frame.get(), 999);
         AddTextureQuad(frame.get(), 555);
@@ skipping 45 matching lines @@
           unsigned expected[] = {555, 555, 555, 999};
           EXPECT_RESOURCES(expected, resources);
           EXPECT_TRUE(TestAndResetAvailable());
         }
 
         EndTest();
         break;
     }
   }
 
-  virtual void DidActivateTreeOnThread(LayerTreeHostImpl* host_impl) override {
+  void DidActivateTreeOnThread(LayerTreeHostImpl* host_impl) override {
     if (host_impl->active_tree()->source_frame_number() < 1)
       return;
 
     LayerImpl* root_impl = host_impl->active_tree()->root_layer();
     FakeDelegatedRendererLayerImpl* delegated_impl =
         static_cast<FakeDelegatedRendererLayerImpl*>(root_impl->children()[0]);
 
     const ResourceProvider::ResourceIdMap& map =
         host_impl->resource_provider()->GetChildToParentMap(
             delegated_impl->ChildId());
@@ skipping 29 matching lines @@
   }
 };
 
 SINGLE_AND_MULTI_THREAD_TEST_F(LayerTreeHostDelegatedTestCommitWithoutTake);
 
 class DelegatedFrameIsActivatedDuringCommit
     : public LayerTreeHostDelegatedTestCaseSingleDelegatedLayer {
  protected:
   DelegatedFrameIsActivatedDuringCommit() : returned_resource_count_(0) {}
 
-  virtual void BeginTest() override {
+  void BeginTest() override {
     activate_count_ = 0;
 
     scoped_ptr<DelegatedFrameData> frame =
         CreateFrameData(gfx::Rect(0, 0, 1, 1), gfx::Rect(0, 0, 1, 1));
     AddTextureQuad(frame.get(), 999);
     AddTransferableResource(frame.get(), 999);
     SetFrameData(frame.Pass());
 
     PostSetNeedsCommitToMainThread();
   }
 
-  virtual void WillActivateTreeOnThread(LayerTreeHostImpl* impl) override {
+  void WillActivateTreeOnThread(LayerTreeHostImpl* impl) override {
     ++activate_count_;
   }
 
-  virtual void DidCommit() override {
+  void DidCommit() override {
     switch (layer_tree_host()->source_frame_number()) {
       case 1: {
         // The first frame has been activated. Set a new frame, and
         // expect the next commit to finish *after* it is activated.
         scoped_ptr<DelegatedFrameData> frame =
             CreateFrameData(gfx::Rect(0, 0, 1, 1), gfx::Rect(0, 0, 1, 1));
         AddTextureQuad(frame.get(), 555);
         AddTransferableResource(frame.get(), 555);
         SetFrameData(frame.Pass());
         break;
       }
       case 2:
         // The second frame has been activated. Remove the layer from
         // the tree to cause another commit/activation. The commit should
         // finish *after* the layer is removed from the active tree.
         delegated_->RemoveFromParent();
         break;
       case 3:
         // Finish the test by releasing resources on the next frame.
         scoped_ptr<DelegatedFrameData> frame =
             CreateFrameData(gfx::Rect(0, 0, 1, 1), gfx::Rect(0, 0, 1, 1));
         SetFrameData(frame.Pass());
         break;
     }
   }
 
-  virtual void CommitCompleteOnThread(LayerTreeHostImpl* host_impl) override {
+  void CommitCompleteOnThread(LayerTreeHostImpl* host_impl) override {
     switch (host_impl->active_tree()->source_frame_number()) {
       case 0: {
         // The activate for the 1st frame should have happened before now.
         EXPECT_EQ(1, activate_count_);
         break;
       }
       case 1: {
         // The activate for the 2nd frame should have happened before now.
         EXPECT_EQ(2, activate_count_);
         break;
       }
       case 2: {
         // The activate to remove the layer should have happened before now.
         EXPECT_EQ(3, activate_count_);
         break;
       }
       case 3: {
         NOTREACHED();
         break;
       }
     }
   }
 
-  virtual void SwapBuffersOnThread(LayerTreeHostImpl* host_impl,
-                                   bool result) override {
+  void SwapBuffersOnThread(LayerTreeHostImpl* host_impl, bool result) override {
     ReturnUnusedResourcesFromParent(host_impl);
   }
 
-  virtual void UnusedResourcesAreAvailable() override {
+  void UnusedResourcesAreAvailable() override {
     LayerTreeHostDelegatedTestCaseSingleDelegatedLayer::
         UnusedResourcesAreAvailable();
     ReturnedResourceArray resources;
     resource_collection_->TakeUnusedResourcesForChildCompositor(&resources);
     EXPECT_TRUE(TestAndResetAvailable());
     returned_resource_count_ += resources.size();
     if (returned_resource_count_ == 2)
       EndTest();
   }
 
   int activate_count_;
   size_t returned_resource_count_;
 };
 
 SINGLE_AND_MULTI_THREAD_TEST_F(
     DelegatedFrameIsActivatedDuringCommit);
 
 class LayerTreeHostDelegatedTestTwoImplLayers
     : public LayerTreeHostDelegatedTestCaseSingleDelegatedLayer {
  public:
-  virtual void BeginTest() override { PostSetNeedsCommitToMainThread(); }
+  void BeginTest() override { PostSetNeedsCommitToMainThread(); }
 
-  virtual void DidCommitAndDrawFrame() override {
+  void DidCommitAndDrawFrame() override {
     scoped_ptr<DelegatedFrameData> frame;
     ReturnedResourceArray resources;
 
     int next_source_frame_number = layer_tree_host()->source_frame_number();
     switch (next_source_frame_number) {
       case 1:
         frame = CreateFrameData(gfx::Rect(0, 0, 1, 1), gfx::Rect(0, 0, 1, 1));
         AddTextureQuad(frame.get(), 999);
         AddTransferableResource(frame.get(), 999);
         AddTextureQuad(frame.get(), 555);
@@ skipping 26 matching lines @@
         {
           unsigned expected[] = {555, 999};
           EXPECT_RESOURCES(expected, resources);
           EXPECT_TRUE(TestAndResetAvailable());
         }
         EndTest();
         break;
     }
   }
 
-  virtual void SwapBuffersOnThread(LayerTreeHostImpl* host_impl,
-                                   bool result) override {
+  void SwapBuffersOnThread(LayerTreeHostImpl* host_impl, bool result) override {
     ReturnUnusedResourcesFromParent(host_impl);
   }
 };
 
 SINGLE_AND_MULTI_THREAD_TEST_F(LayerTreeHostDelegatedTestTwoImplLayers);
 
 class LayerTreeHostDelegatedTestTwoImplLayersTwoFrames
     : public LayerTreeHostDelegatedTestCaseSingleDelegatedLayer {
  public:
-  virtual void BeginTest() override { PostSetNeedsCommitToMainThread(); }
+  void BeginTest() override { PostSetNeedsCommitToMainThread(); }
 
-  virtual void DidCommitAndDrawFrame() override {
+  void DidCommitAndDrawFrame() override {
     scoped_ptr<DelegatedFrameData> frame;
     ReturnedResourceArray resources;
 
     int next_source_frame_number = layer_tree_host()->source_frame_number();
     switch (next_source_frame_number) {
       case 1:
         frame = CreateFrameData(gfx::Rect(0, 0, 1, 1), gfx::Rect(0, 0, 1, 1));
         AddTextureQuad(frame.get(), 999);
         AddTransferableResource(frame.get(), 999);
         AddTextureQuad(frame.get(), 555);
@@ skipping 35 matching lines @@
         {
           unsigned expected[] = {555, 555, 999, 999};
           EXPECT_RESOURCES(expected, resources);
           EXPECT_TRUE(TestAndResetAvailable());
         }
         EndTest();
         break;
     }
   }
 
-  virtual void SwapBuffersOnThread(LayerTreeHostImpl* host_impl,
-                                   bool result) override {
+  void SwapBuffersOnThread(LayerTreeHostImpl* host_impl, bool result) override {
     ReturnUnusedResourcesFromParent(host_impl);
   }
 };
 
 SINGLE_AND_MULTI_THREAD_TEST_F(
     LayerTreeHostDelegatedTestTwoImplLayersTwoFrames);
 
 class LayerTreeHostDelegatedTestTwoLayers
     : public LayerTreeHostDelegatedTestCaseSingleDelegatedLayer {
  public:
-  virtual void BeginTest() override { PostSetNeedsCommitToMainThread(); }
+  void BeginTest() override { PostSetNeedsCommitToMainThread(); }
 
-  virtual void DidCommitAndDrawFrame() override {
+  void DidCommitAndDrawFrame() override {
     scoped_ptr<DelegatedFrameData> frame;
     ReturnedResourceArray resources;
 
     int next_source_frame_number = layer_tree_host()->source_frame_number();
     switch (next_source_frame_number) {
       case 1:
         frame = CreateFrameData(gfx::Rect(0, 0, 1, 1), gfx::Rect(0, 0, 1, 1));
         AddTextureQuad(frame.get(), 999);
         AddTransferableResource(frame.get(), 999);
         AddTextureQuad(frame.get(), 555);
@@ skipping 52 matching lines @@
         {
           unsigned expected[] = {555, 999};
           EXPECT_RESOURCES(expected, resources);
           EXPECT_TRUE(TestAndResetAvailable());
         }
         EndTest();
         break;
     }
   }
 
-  virtual void SwapBuffersOnThread(LayerTreeHostImpl* host_impl,
-                                   bool result) override {
+  void SwapBuffersOnThread(LayerTreeHostImpl* host_impl, bool result) override {
     ReturnUnusedResourcesFromParent(host_impl);
   }
 
   scoped_refptr<DelegatedRendererLayer> delegated_thief_;
 };
 
 SINGLE_AND_MULTI_THREAD_TEST_F(LayerTreeHostDelegatedTestTwoLayers);
 
 class LayerTreeHostDelegatedTestRemoveAndAddToTree
     : public LayerTreeHostDelegatedTestCaseSingleDelegatedLayer {
  public:
-  virtual void BeginTest() override { PostSetNeedsCommitToMainThread(); }
+  void BeginTest() override { PostSetNeedsCommitToMainThread(); }
 
-  virtual void DidCommitAndDrawFrame() override {
+  void DidCommitAndDrawFrame() override {
     scoped_ptr<DelegatedFrameData> frame;
     ReturnedResourceArray resources;
 
     int next_source_frame_number = layer_tree_host()->source_frame_number();
     switch (next_source_frame_number) {
       case 1:
         frame = CreateFrameData(gfx::Rect(0, 0, 1, 1), gfx::Rect(0, 0, 1, 1));
         AddTextureQuad(frame.get(), 999);
         AddTransferableResource(frame.get(), 999);
         AddTextureQuad(frame.get(), 555);
@@ skipping 56 matching lines @@
         {
           unsigned expected[] = {777, 888};
           EXPECT_RESOURCES(expected, resources);
           EXPECT_TRUE(TestAndResetAvailable());
         }
         EndTest();
         break;
     }
   }
 
-  virtual void SwapBuffersOnThread(LayerTreeHostImpl* host_impl,
-                                   bool result) override {
+  void SwapBuffersOnThread(LayerTreeHostImpl* host_impl, bool result) override {
     ReturnUnusedResourcesFromParent(host_impl);
   }
 
   scoped_refptr<DelegatedRendererLayer> delegated_thief_;
 };
 
 SINGLE_AND_MULTI_THREAD_TEST_F(LayerTreeHostDelegatedTestRemoveAndAddToTree);
 
 class LayerTreeHostDelegatedTestRemoveAndChangeResources
     : public LayerTreeHostDelegatedTestCaseSingleDelegatedLayer {
  public:
-  virtual void BeginTest() override { PostSetNeedsCommitToMainThread(); }
+  void BeginTest() override { PostSetNeedsCommitToMainThread(); }
 
-  virtual void DidCommitAndDrawFrame() override {
+  void DidCommitAndDrawFrame() override {
     scoped_ptr<DelegatedFrameData> frame;
     ReturnedResourceArray resources;
 
     int next_source_frame_number = layer_tree_host()->source_frame_number();
     switch (next_source_frame_number) {
       case 1:
         frame = CreateFrameData(gfx::Rect(0, 0, 1, 1), gfx::Rect(0, 0, 1, 1));
         AddTextureQuad(frame.get(), 999);
         AddTransferableResource(frame.get(), 999);
         AddTextureQuad(frame.get(), 555);
@@ skipping 46 matching lines @@
         {
           unsigned expected[] = {777, 888};
           EXPECT_RESOURCES(expected, resources);
           EXPECT_TRUE(TestAndResetAvailable());
         }
         EndTest();
         break;
     }
   }
 
-  virtual void SwapBuffersOnThread(LayerTreeHostImpl* host_impl,
-                                   bool result) override {
+  void SwapBuffersOnThread(LayerTreeHostImpl* host_impl, bool result) override {
     ReturnUnusedResourcesFromParent(host_impl);
   }
 
   scoped_refptr<DelegatedRendererLayer> delegated_thief_;
 };
 
 SINGLE_AND_MULTI_THREAD_TEST_F(
     LayerTreeHostDelegatedTestRemoveAndChangeResources);
 
 }  // namespace
 }  // namespace cc