Standardize usage of virtual/override/final in cc/

cc/trees/layer_tree_host_pixeltest_on_demand_raster.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/layers/append_quads_data.h"
 #include "cc/layers/content_layer_client.h"
 #include "cc/layers/picture_layer.h"
 #include "cc/layers/picture_layer_impl.h"
 #include "cc/quads/draw_quad.h"
 #include "cc/test/layer_tree_pixel_test.h"
 #include "cc/trees/layer_tree_impl.h"
 #include "third_party/skia/include/core/SkCanvas.h"
 #include "third_party/skia/include/core/SkColor.h"
 #include "ui/gfx/rect.h"
 #include "ui/gfx/rect_f.h"
 
 #if !defined(OS_ANDROID)
 
 namespace cc {
 namespace {
 
 class LayerTreeHostOnDemandRasterPixelTest : public LayerTreePixelTest {
  public:
-  virtual void InitializeSettings(LayerTreeSettings* settings) override {
+  void InitializeSettings(LayerTreeSettings* settings) override {
     settings->impl_side_painting = true;
   }
 
-  virtual void BeginCommitOnThread(LayerTreeHostImpl* impl) override {
+  void BeginCommitOnThread(LayerTreeHostImpl* impl) override {
     // Not enough memory available. Enforce on-demand rasterization.
     impl->SetMemoryPolicy(
         ManagedMemoryPolicy(1, gpu::MemoryAllocation::CUTOFF_ALLOW_EVERYTHING,
                             1000));
   }
 
-  virtual void SwapBuffersOnThread(LayerTreeHostImpl* host_impl,
-                                   bool result) override {
+  void SwapBuffersOnThread(LayerTreeHostImpl* host_impl, bool result) override {
     // Find the PictureLayerImpl ask it to append quads to check their material.
     // The PictureLayerImpl is assumed to be the first child of the root layer
     // in the active tree.
     PictureLayerImpl* picture_layer = static_cast<PictureLayerImpl*>(
         host_impl->active_tree()->root_layer()->child_at(0));
 
     scoped_ptr<RenderPass> render_pass = RenderPass::Create();
 
     AppendQuadsData data;
     picture_layer->AppendQuads(render_pass.get(), Occlusion(), &data);
 
     for (const auto& quad : render_pass->quad_list)
       EXPECT_EQ(quad.material, DrawQuad::PICTURE_CONTENT);
 
     // Triggers pixel readback and ends the test.
     LayerTreePixelTest::SwapBuffersOnThread(host_impl, result);
   }
 
   void RunOnDemandRasterPixelTest();
 };
 
 class BlueYellowLayerClient : public ContentLayerClient {
  public:
   explicit BlueYellowLayerClient(gfx::Rect layer_rect)
       : layer_rect_(layer_rect) {}
 
-  virtual void DidChangeLayerCanUseLCDText() override { }
+  void DidChangeLayerCanUseLCDText() override {}
 
-  virtual bool FillsBoundsCompletely() const override { return false; }
+  bool FillsBoundsCompletely() const override { return false; }
 
-  virtual void PaintContents(
+  void PaintContents(
       SkCanvas* canvas,
       const gfx::Rect& clip,
       ContentLayerClient::GraphicsContextStatus gc_status) override {
     SkPaint paint;
     paint.setColor(SK_ColorBLUE);
     canvas->drawRect(SkRect::MakeWH(layer_rect_.width(),
                                     layer_rect_.height() / 2),
                      paint);
 
     paint.setColor(SK_ColorYELLOW);
@@ skipping 24 matching lines @@
                layer,
                base::FilePath(FILE_PATH_LITERAL("blue_yellow.png")));
 }
 
 TEST_F(LayerTreeHostOnDemandRasterPixelTest, RasterPictureLayer) {
   RunOnDemandRasterPixelTest();
 }
 
 class LayerTreeHostOnDemandRasterPixelTestWithGpuRasterizationForced
     : public LayerTreeHostOnDemandRasterPixelTest {
-  virtual void InitializeSettings(LayerTreeSettings* settings) override {
+  void InitializeSettings(LayerTreeSettings* settings) override {
     LayerTreeHostOnDemandRasterPixelTest::InitializeSettings(settings);
     settings->gpu_rasterization_forced = true;
   }
 };
 
 TEST_F(LayerTreeHostOnDemandRasterPixelTestWithGpuRasterizationForced,
        RasterPictureLayer) {
   RunOnDemandRasterPixelTest();
 }
 
 }  // namespace
 }  // namespace cc
 
 #endif  // OS_ANDROID