cc: Break up with FakeLayerTreeHostClient.

cc/layers/ui_resource_layer_unittest.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/ui_resource_layer.h"
 
 #include "base/threading/thread_task_runner_handle.h"
 #include "cc/resources/resource_provider.h"
 #include "cc/resources/scoped_ui_resource.h"
 #include "cc/test/fake_layer_tree_host.h"
 #include "cc/test/fake_layer_tree_host_client.h"
 #include "cc/test/fake_output_surface.h"
 #include "cc/test/fake_output_surface_client.h"
 #include "cc/test/geometry_test_utils.h"
+#include "cc/test/stub_layer_tree_host_single_thread_client.h"
 #include "cc/test/test_task_graph_runner.h"
 #include "cc/trees/layer_tree_host.h"
 #include "cc/trees/single_thread_proxy.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 
 using ::testing::Mock;
 using ::testing::_;
 using ::testing::AtLeast;
@@ skipping 18 matching lines @@
   TestUIResourceLayer() : UIResourceLayer() { SetIsDrawable(true); }
   ~TestUIResourceLayer() override {}
 };
 
 class UIResourceLayerTest : public testing::Test {
  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 {
     Mock::VerifyAndClearExpectations(layer_tree_host_.get());
   }
 
   FakeLayerTreeHostClient fake_client_;
+  StubLayerTreeHostSingleThreadClient single_thread_client_;
   TestTaskGraphRunner task_graph_runner_;
   std::unique_ptr<FakeLayerTreeHost> layer_tree_host_;
 };
 
 TEST_F(UIResourceLayerTest, SetBitmap) {
   scoped_refptr<UIResourceLayer> test_layer = TestUIResourceLayer::Create();
   ASSERT_TRUE(test_layer.get());
   test_layer->SetBounds(gfx::Size(100, 100));
 
   layer_tree_host_->SetRootLayer(test_layer);
@@ skipping 60 matching lines @@
 
   test_layer->SetBitmap(bitmap);
   ASSERT_FALSE(bitmap.pixelRef()->unique());
 
   test_layer->SetUIResourceId(0);
   EXPECT_TRUE(bitmap.pixelRef()->unique());
 }
 
 }  // namespace
 }  // namespace cc