Move GpuMemoryBufferManager and SharedBitmapManager to CompositorFrameSink

cc/input/scrollbar_animation_controller_thinning_unittest.cc

Index: cc/input/scrollbar_animation_controller_thinning_unittest.cc
diff --git a/cc/input/scrollbar_animation_controller_thinning_unittest.cc b/cc/input/scrollbar_animation_controller_thinning_unittest.cc
index de54ff983920b600c3c98a472ad364d9b2f2618b..e32680d98933efd75569133c0f226ae0b0d1b5f5 100644
--- a/cc/input/scrollbar_animation_controller_thinning_unittest.cc
+++ b/cc/input/scrollbar_animation_controller_thinning_unittest.cc
@@ -8,7 +8,6 @@
 #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"
@@ -27,7 +26,6 @@ class ScrollbarAnimationControllerThinningTest
  public:
   ScrollbarAnimationControllerThinningTest()
       : host_impl_(&task_runner_provider_,
-                   &shared_bitmap_manager_,
                    &task_graph_runner_) {}
 
   void PostDelayedScrollbarAnimationTask(const base::Closure& start_fade,
@@ -89,7 +87,6 @@ class ScrollbarAnimationControllerThinningTest
   }
 
   FakeImplTaskRunnerProvider task_runner_provider_;
-  TestSharedBitmapManager shared_bitmap_manager_;
   TestTaskGraphRunner task_graph_runner_;
   FakeLayerTreeHostImpl host_impl_;
   std::unique_ptr<ScrollbarAnimationControllerThinning> scrollbar_controller_;