Introduce separate client and init path for single-threaded cc

cc/trees/layer_tree_host_unittest.cc

 // Copyright 2011 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/auto_reset.h"
 #include "base/synchronization/lock.h"
@@ skipping 2355 matching lines @@
   }
 }
 
 TEST(LayerTreeHostTest, PartialUpdatesWithGLRenderer) {
   FakeLayerTreeHostClient client(FakeLayerTreeHostClient::DIRECT_3D);
 
   LayerTreeSettings settings;
   settings.max_partial_texture_updates = 4;
 
   scoped_ptr<LayerTreeHost> host =
-      LayerTreeHost::Create(&client, NULL, settings, NULL);
+      LayerTreeHost::CreateSingleThreaded(&client, &client, NULL, settings);
   EXPECT_TRUE(host->InitializeOutputSurfaceIfNeeded());
   EXPECT_EQ(4u, host->settings().max_partial_texture_updates);
 }
 
 TEST(LayerTreeHostTest, PartialUpdatesWithSoftwareRenderer) {
   FakeLayerTreeHostClient client(FakeLayerTreeHostClient::DIRECT_SOFTWARE);
 
   LayerTreeSettings settings;
   settings.max_partial_texture_updates = 4;
 
   scoped_ptr<LayerTreeHost> host =
-      LayerTreeHost::Create(&client, NULL, settings, NULL);
+      LayerTreeHost::CreateSingleThreaded(&client, &client, NULL, settings);
   EXPECT_TRUE(host->InitializeOutputSurfaceIfNeeded());
   EXPECT_EQ(4u, host->settings().max_partial_texture_updates);
 }
 
 TEST(LayerTreeHostTest, PartialUpdatesWithDelegatingRendererAndGLContent) {
   FakeLayerTreeHostClient client(FakeLayerTreeHostClient::DELEGATED_3D);
 
   LayerTreeSettings settings;
   settings.max_partial_texture_updates = 4;
 
   scoped_ptr<LayerTreeHost> host =
-      LayerTreeHost::Create(&client, NULL, settings, NULL);
+      LayerTreeHost::CreateSingleThreaded(&client, &client, NULL, settings);
   EXPECT_TRUE(host->InitializeOutputSurfaceIfNeeded());
   EXPECT_EQ(0u, host->MaxPartialTextureUpdates());
 }
 
 TEST(LayerTreeHostTest,
      PartialUpdatesWithDelegatingRendererAndSoftwareContent) {
   FakeLayerTreeHostClient client(FakeLayerTreeHostClient::DELEGATED_SOFTWARE);
 
   LayerTreeSettings settings;
   settings.max_partial_texture_updates = 4;
 
   scoped_ptr<LayerTreeHost> host =
-      LayerTreeHost::Create(&client, NULL, settings, NULL);
+      LayerTreeHost::CreateSingleThreaded(&client, &client, NULL, settings);
   EXPECT_TRUE(host->InitializeOutputSurfaceIfNeeded());
   EXPECT_EQ(0u, host->MaxPartialTextureUpdates());
 }
 
 class LayerTreeHostTestShutdownWithOnlySomeResourcesEvicted
     : public LayerTreeHostTest {
  public:
   LayerTreeHostTestShutdownWithOnlySomeResourcesEvicted()
       : root_layer_(FakeContentLayer::Create(&client_)),
         child_layer1_(FakeContentLayer::Create(&client_)),
@@ skipping 2853 matching lines @@
   size_t second_output_surface_memory_limit_;
   FakeContentLayerClient client_;
   scoped_refptr<FakeContentLayer> root_;
 };
 
 // No output to copy for delegated renderers.
 SINGLE_AND_MULTI_THREAD_TEST_F(
     LayerTreeHostTestSetMemoryPolicyOnLostOutputSurface);
 
 }  // namespace cc