Move GpuMemoryBufferManager and SharedBitmapManager to CompositorFrameSink

cc/test/fake_compositor_frame_sink.h

Index: cc/test/fake_compositor_frame_sink.h
diff --git a/cc/test/fake_compositor_frame_sink.h b/cc/test/fake_compositor_frame_sink.h
index eb6749e89cecce89fbf9839c0e387df71b87a099..27a964eaf201ba5c186ac121d2c773335278a4c6 100644
--- a/cc/test/fake_compositor_frame_sink.h
+++ b/cc/test/fake_compositor_frame_sink.h
@@ -18,6 +18,8 @@
 #include "cc/output/software_output_device.h"
 #include "cc/test/test_context_provider.h"
 #include "cc/test/test_gles2_interface.h"
+#include "cc/test/test_gpu_memory_buffer_manager.h"
+#include "cc/test/test_shared_bitmap_manager.h"
 #include "cc/test/test_web_graphics_context_3d.h"
 
 namespace cc {
@@ -73,6 +75,9 @@ class FakeCompositorFrameSink : public CompositorFrameSink {
       scoped_refptr<ContextProvider> context_provider,
       scoped_refptr<ContextProvider> worker_context_provider);
 
+  TestGpuMemoryBufferManager test_gpu_memory_buffer_manager_;
+  TestSharedBitmapManager test_shared_bitmap_manager_;
+
   std::unique_ptr<CompositorFrame> last_sent_frame_;
   size_t num_sent_frames_ = 0;
   TransferableResourceArray resources_held_by_parent_;