Move GpuMemoryBufferManager and SharedBitmapManager to CompositorFrameSink

cc/output/compositor_frame_sink_unittest.cc

Index: cc/output/compositor_frame_sink_unittest.cc
diff --git a/cc/output/compositor_frame_sink_unittest.cc b/cc/output/compositor_frame_sink_unittest.cc
index 4087c5c68a3237b819ffcf304e7c72e0625a13e1..6a72c8d58bbe2f2adf6c6e8e5d8a39709a671d83 100644
--- a/cc/output/compositor_frame_sink_unittest.cc
+++ b/cc/output/compositor_frame_sink_unittest.cc
@@ -21,7 +21,9 @@ class TestCompositorFrameSink : public CompositorFrameSink {
       scoped_refptr<TestContextProvider> context_provider,
       scoped_refptr<TestContextProvider> worker_context_provider)
       : CompositorFrameSink(std::move(context_provider),
-                            std::move(worker_context_provider)) {}
+                            std::move(worker_context_provider),
+                            nullptr,
+                            nullptr) {}
 
   void SubmitCompositorFrame(CompositorFrame frame) override {
     client_->DidReceiveCompositorFrameAck();