cc: Break up with FakeLayerTreeHostClient.

cc/layers/scrollbar_layer_unittest.cc

 // Copyright 2012 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 <stddef.h>
 
 #include <unordered_map>
 
 #include "base/threading/thread_task_runner_handle.h"
 #include "cc/animation/animation_host.h"
 #include "cc/input/scrollbar_animation_controller.h"
 #include "cc/layers/append_quads_data.h"
 #include "cc/layers/painted_scrollbar_layer.h"
 #include "cc/layers/painted_scrollbar_layer_impl.h"
 #include "cc/layers/scrollbar_layer_interface.h"
 #include "cc/layers/solid_color_scrollbar_layer.h"
 #include "cc/layers/solid_color_scrollbar_layer_impl.h"
 #include "cc/quads/solid_color_draw_quad.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/fake_painted_scrollbar_layer.h"
 #include "cc/test/fake_scrollbar.h"
 #include "cc/test/geometry_test_utils.h"
 #include "cc/test/layer_tree_test.h"
 #include "cc/test/mock_occlusion_tracker.h"
+#include "cc/test/stub_layer_tree_host_single_thread_client.h"
 #include "cc/test/test_task_graph_runner.h"
 #include "cc/test/test_web_graphics_context_3d.h"
 #include "cc/trees/effect_node.h"
 #include "cc/trees/layer_tree_host.h"
 #include "cc/trees/layer_tree_impl.h"
 #include "cc/trees/occlusion_tracker.h"
 #include "cc/trees/scroll_node.h"
 #include "cc/trees/single_thread_proxy.h"
 #include "cc/trees/tree_synchronizer.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace cc {
 namespace {
 
 class FakeResourceTrackingLayerTreeHost : public FakeLayerTreeHost {
  public:
   FakeResourceTrackingLayerTreeHost(FakeLayerTreeHostClient* client,
                                     LayerTreeHost::InitParams* params)
       : FakeLayerTreeHost(client, params, CompositorMode::SINGLE_THREADED),
         next_id_(1),
         total_ui_resource_created_(0),
         total_ui_resource_deleted_(0) {
-    InitializeSingleThreaded(client, base::ThreadTaskRunnerHandle::Get(),
-                             nullptr);
+    InitializeSingleThreaded(&single_thread_client_,
+                             base::ThreadTaskRunnerHandle::Get(), nullptr);
   }
 
   UIResourceId CreateUIResource(UIResourceClient* content) override {
     total_ui_resource_created_++;
     UIResourceId nid = next_id_++;
     ui_resource_bitmap_map_.insert(
         std::make_pair(nid, content->GetBitmap(nid, false)));
     return nid;
   }
 
@@ skipping 22 matching lines @@
     if (iter != ui_resource_bitmap_map_.end())
       return &iter->second;
     return nullptr;
   }
 
  private:
   using UIResourceBitmapMap =
       std::unordered_map<UIResourceId, UIResourceBitmap>;
   UIResourceBitmapMap ui_resource_bitmap_map_;
 
+  StubLayerTreeHostSingleThreadClient single_thread_client_;
   int next_id_;
   int total_ui_resource_created_;
   int total_ui_resource_deleted_;
 };
 
 class ScrollbarLayerTest : public testing::Test {
  public:
   ScrollbarLayerTest() {
     layer_tree_settings_.single_thread_proxy_scheduler = false;
     layer_tree_settings_.use_zero_copy = true;
@@ skipping 1043 matching lines @@
   TestScale(gfx::Rect(1240, 0, 15, 1333), 2.7754839f);
   TestScale(gfx::Rect(1240, 0, 15, 677), 2.46677136f);
 
   // Horizontal Scrollbars.
   TestScale(gfx::Rect(0, 1240, 1333, 15), 2.7754839f);
   TestScale(gfx::Rect(0, 1240, 677, 15), 2.46677136f);
 }
 
 }  // namespace
 }  // namespace cc