cc: Split Proxy to eliminate unnecessary dependencies on the impl side

cc/animation/scrollbar_animation_controller_thinning_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/animation/scrollbar_animation_controller_thinning.h"
 
 #include "cc/layers/solid_color_scrollbar_layer_impl.h"
-#include "cc/test/fake_impl_proxy.h"
+#include "cc/test/fake_impl_task_runner_provider.h"
 #include "cc/test/fake_layer_tree_host_impl.h"
 #include "cc/test/geometry_test_utils.h"
 #include "cc/test/test_shared_bitmap_manager.h"
 #include "cc/test/test_task_graph_runner.h"
 #include "cc/trees/layer_tree_impl.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace cc {
 namespace {
 
 class ScrollbarAnimationControllerThinningTest
     : public testing::Test,
       public ScrollbarAnimationControllerClient {
  public:
   ScrollbarAnimationControllerThinningTest()
-      : host_impl_(&proxy_, &shared_bitmap_manager_, &task_graph_runner_) {}
+      : host_impl_(&task_runner_provider_,
+                   &shared_bitmap_manager_,
+                   &task_graph_runner_) {}
 
   void PostDelayedScrollbarAnimationTask(const base::Closure& start_fade,
                                          base::TimeDelta delay) override {
     start_fade_ = start_fade;
     delay_ = delay;
   }
   void SetNeedsRedrawForScrollbarAnimation() override {
     did_request_redraw_ = true;
   }
   void SetNeedsAnimateForScrollbarAnimation() override {
@@ skipping 28 matching lines @@
 
     scrollbar_layer_->SetScrollLayerId(scroll_layer_ptr->id());
     clip_layer_->SetBounds(gfx::Size(100, 100));
     scroll_layer_ptr->SetBounds(gfx::Size(200, 200));
 
     scrollbar_controller_ = ScrollbarAnimationControllerThinning::Create(
         scroll_layer_ptr->id(), this, base::TimeDelta::FromSeconds(2),
         base::TimeDelta::FromSeconds(5), base::TimeDelta::FromSeconds(3));
   }
 
-  FakeImplProxy proxy_;
+  FakeImplTaskRunnerProvider task_runner_provider_;
   TestSharedBitmapManager shared_bitmap_manager_;
   TestTaskGraphRunner task_graph_runner_;
   FakeLayerTreeHostImpl host_impl_;
   scoped_ptr<ScrollbarAnimationControllerThinning> scrollbar_controller_;
   scoped_ptr<LayerImpl> clip_layer_;
   scoped_ptr<SolidColorScrollbarLayerImpl> scrollbar_layer_;
 
   base::Closure start_fade_;
   base::TimeDelta delay_;
   bool did_request_redraw_;
@@ skipping 291 matching lines @@
 
   time += base::TimeDelta::FromSeconds(1);
   scrollbar_controller_->Animate(time);
   EXPECT_FLOAT_EQ(0.7f, scrollbar_layer_->opacity());
   // The thickness now gets big again.
   EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->thumb_thickness_scale_factor());
 }
 
 }  // namespace
 }  // namespace cc