Update from https://crrev.com/309717

cc/output/overlay_unittest.cc

 // 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.
 
 #include "cc/base/scoped_ptr_vector.h"
 #include "cc/output/gl_renderer.h"
 #include "cc/output/output_surface.h"
 #include "cc/output/output_surface_client.h"
 #include "cc/output/overlay_candidate_validator.h"
 #include "cc/output/overlay_processor.h"
@@ skipping 239 matching lines @@
       &output_surface, shared_bitmap_manager.get(), NULL, NULL, 0, false, 1));
 
   scoped_ptr<DefaultOverlayProcessor> overlay_processor(
       new DefaultOverlayProcessor(&output_surface, resource_provider.get()));
   overlay_processor->Initialize();
   EXPECT_GE(1U, overlay_processor->GetStrategyCount());
 }
 
 class SingleOverlayOnTopTest : public testing::Test {
  protected:
-  virtual void SetUp() {
+  void SetUp() override {
     provider_ = TestContextProvider::Create();
     output_surface_.reset(new OverlayOutputSurface(provider_));
     EXPECT_TRUE(output_surface_->BindToClient(&client_));
     output_surface_->InitWithSingleOverlayValidator();
     EXPECT_TRUE(output_surface_->overlay_candidate_validator() != NULL);
 
     shared_bitmap_manager_.reset(new TestSharedBitmapManager());
     resource_provider_ = ResourceProvider::Create(output_surface_.get(),
                                                   shared_bitmap_manager_.get(),
                                                   NULL,
@@ skipping 536 matching lines @@
   renderer_->BeginDrawingFrame(&frame3);
   renderer_->FinishDrawingFrame(&frame3);
   EXPECT_TRUE(resource_provider_->InUseByConsumer(resource1));
   SwapBuffers();
   EXPECT_FALSE(resource_provider_->InUseByConsumer(resource1));
   Mock::VerifyAndClearExpectations(&scheduler_);
 }
 
 }  // namespace
 }  // namespace cc