Use MojoCompositorFrameSink in RendererCompositorFrameSink

content/browser/renderer_host/render_process_host_impl.cc

Index: content/browser/renderer_host/render_process_host_impl.cc
diff --git a/content/browser/renderer_host/render_process_host_impl.cc b/content/browser/renderer_host/render_process_host_impl.cc
index b9f0d3a60af187b13faaef4751778f0f7eba4cf5..72543a7ce454bffdfc0b736fd7159146e166c69f 100644
--- a/content/browser/renderer_host/render_process_host_impl.cc
+++ b/content/browser/renderer_host/render_process_host_impl.cc
@@ -703,6 +703,7 @@ RenderProcessHostImpl::RenderProcessHostImpl(
 #endif
       instance_weak_factory_(
           new base::WeakPtrFactory<RenderProcessHostImpl>(this)),
+      frame_sink_provider_(id_),
       weak_factory_(this) {
   widget_helper_ = new RenderWidgetHelper();
 
@@ -1240,6 +1241,11 @@ void RenderProcessHostImpl::RegisterMojoInterfaces() {
                      CreateOffscreenCanvasCompositorFrameSinkProvider,
                  base::Unretained(this)));
 
+  AddUIThreadInterface(
+      registry.get(),
+      base::Bind(&RenderProcessHostImpl::CreateFrameSinkProvider,
+                 base::Unretained(this)));
+
   AddUIThreadInterface(registry.get(),
                        base::Bind(&OffscreenCanvasSurfaceFactoryImpl::Create));
   AddUIThreadInterface(
@@ -1367,6 +1373,11 @@ void RenderProcessHostImpl::CreateOffscreenCanvasCompositorFrameSinkProvider(
   offscreen_canvas_provider_->Add(std::move(request));
 }
 
+void RenderProcessHostImpl::CreateFrameSinkProvider(
+    mojom::FrameSinkProviderRequest request) {
+  frame_sink_provider_.Bind(std::move(request));

[Ken Rockot(use gerrit already), 2017/04/10 23:31:11]

nit: Maybe BindFrameSinkProvider is a better name than CreateFrameSinkProvider?

+}
+
 void RenderProcessHostImpl::CreateStoragePartitionService(
     mojo::InterfaceRequest<mojom::StoragePartitionService> request) {
   // DO NOT REMOVE THIS COMMAND LINE CHECK WITHOUT SECURITY REVIEW!