Move GpuMemoryBufferManager and SharedBitmapManager to CompositorFrameSink

cc/trees/layer_tree_host_impl.h

Index: cc/trees/layer_tree_host_impl.h
diff --git a/cc/trees/layer_tree_host_impl.h b/cc/trees/layer_tree_host_impl.h
index e0539a66a9795e96a95a458d82c763cae76d963e..2abf134646b7cc1a49061c6aa081778de54701ce 100644
--- a/cc/trees/layer_tree_host_impl.h
+++ b/cc/trees/layer_tree_host_impl.h
@@ -149,8 +149,6 @@ class CC_EXPORT LayerTreeHostImpl
       LayerTreeHostImplClient* client,
       TaskRunnerProvider* task_runner_provider,
       RenderingStatsInstrumentation* rendering_stats_instrumentation,
-      SharedBitmapManager* shared_bitmap_manager,
-      gpu::GpuMemoryBufferManager* gpu_memory_buffer_manager,
       TaskGraphRunner* task_graph_runner,
       std::unique_ptr<AnimationHost> animation_host,
       int id);
@@ -605,8 +603,6 @@ class CC_EXPORT LayerTreeHostImpl
       LayerTreeHostImplClient* client,
       TaskRunnerProvider* task_runner_provider,
       RenderingStatsInstrumentation* rendering_stats_instrumentation,
-      SharedBitmapManager* shared_bitmap_manager,
-      gpu::GpuMemoryBufferManager* gpu_memory_buffer_manager,
       TaskGraphRunner* task_graph_runner,
       std::unique_ptr<AnimationHost> animation_host,
       int id);
@@ -814,8 +810,6 @@ class CC_EXPORT LayerTreeHostImpl
   // Optional callback to notify of new tree activations.
   base::Closure tree_activation_callback_;
 
-  SharedBitmapManager* shared_bitmap_manager_;
-  gpu::GpuMemoryBufferManager* gpu_memory_buffer_manager_;
   TaskGraphRunner* task_graph_runner_;
   int id_;