cc: Break up with FakeLayerTreeHostClient.

cc/layers/layer_perftest.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/layer.h"
 
 #include "base/threading/thread_task_runner_handle.h"
 #include "cc/debug/lap_timer.h"
 #include "cc/test/fake_impl_task_runner_provider.h"
 #include "cc/test/fake_layer_tree_host.h"
 #include "cc/test/fake_layer_tree_host_client.h"
 #include "cc/test/fake_layer_tree_host_impl.h"
+#include "cc/test/stub_layer_tree_host_single_thread_client.h"
 #include "cc/test/test_task_graph_runner.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "testing/perf/perf_test.h"
 
 namespace cc {
 namespace {
 
 static const int kTimeLimitMillis = 3000;
 static const int kWarmupRuns = 5;
 static const int kTimeCheckInterval = 10;
 
 class LayerPerfTest : public testing::Test {
  public:
   LayerPerfTest()
       : host_impl_(&task_runner_provider_,
                    &shared_bitmap_manager_,
                    &task_graph_runner_),
         timer_(kWarmupRuns,
                base::TimeDelta::FromMilliseconds(kTimeLimitMillis),
                kTimeCheckInterval) {}
 
  protected:
   void SetUp() override {
     layer_tree_host_ =
         FakeLayerTreeHost::Create(&fake_client_, &task_graph_runner_);
     layer_tree_host_->InitializeSingleThreaded(
-        &fake_client_, base::ThreadTaskRunnerHandle::Get(), nullptr);
+        &single_thread_client_, base::ThreadTaskRunnerHandle::Get(), nullptr);
   }
 
   void TearDown() override {
     layer_tree_host_->SetRootLayer(nullptr);
     layer_tree_host_ = nullptr;
   }
 
   FakeImplTaskRunnerProvider task_runner_provider_;
   TestSharedBitmapManager shared_bitmap_manager_;
   TestTaskGraphRunner task_graph_runner_;
   FakeLayerTreeHostImpl host_impl_;
 
+  StubLayerTreeHostSingleThreadClient single_thread_client_;
   FakeLayerTreeHostClient fake_client_;
   std::unique_ptr<FakeLayerTreeHost> layer_tree_host_;
   LapTimer timer_;
 };
 
 TEST_F(LayerPerfTest, PushPropertiesTo) {
   scoped_refptr<Layer> test_layer = Layer::Create();
   std::unique_ptr<LayerImpl> impl_layer =
       LayerImpl::Create(host_impl_.active_tree(), 1);
 
@@ skipping 94 matching lines @@
     test_layer->PushPropertiesTo(impl_layer.get());
     timer_.NextLap();
   } while (!timer_.HasTimeLimitExpired());
 
   perf_test::PrintResult("impl_push_properties_to", "", "props_didnt_change",
                          timer_.LapsPerSecond(), "runs/s", true);
 }
 
 }  // namespace
 }  // namespace cc