Use MojoCompositorFrameSink in RendererCompositorFrameSink

content/browser/renderer_host/render_widget_host_view_mac.mm

Index: content/browser/renderer_host/render_widget_host_view_mac.mm
diff --git a/content/browser/renderer_host/render_widget_host_view_mac.mm b/content/browser/renderer_host/render_widget_host_view_mac.mm
index 0ff01ca6a766b1df7d851922d64e881f9d0fdc65..6e3ab35333f324683793dcbbaac0f8517bbee524 100644
--- a/content/browser/renderer_host/render_widget_host_view_mac.mm
+++ b/content/browser/renderer_host/render_widget_host_view_mac.mm
@@ -400,20 +400,13 @@ SkColor RenderWidgetHostViewMac::BrowserCompositorMacGetGutterColor(
   return color;
 }
 
-void RenderWidgetHostViewMac::
-    BrowserCompositorMacSendReclaimCompositorResources(
-        bool is_swap_ack,
-        const cc::ReturnedResourceArray& resources) {
-  render_widget_host_->SendReclaimCompositorResources(is_swap_ack, resources);
-}
-
 void RenderWidgetHostViewMac::BrowserCompositorMacSendBeginFrame(
     const cc::BeginFrameArgs& args) {
   needs_flush_input_ = false;
   render_widget_host_->FlushInput();
   UpdateNeedsBeginFramesInternal();
-  render_widget_host_->Send(
-      new ViewMsg_BeginFrame(render_widget_host_->GetRoutingID(), args));
+  if (renderer_compositor_frame_sink_)
+    renderer_compositor_frame_sink_->OnBeginFrame(args);
 }
 
 ////////////////////////////////////////////////////////////////////////////////
@@ -1424,8 +1417,11 @@ void RenderWidgetHostViewMac::FocusedNodeChanged(
   }
 }
 
-void RenderWidgetHostViewMac::DidCreateNewRendererCompositorFrameSink() {
-  browser_compositor_->DidCreateNewRendererCompositorFrameSink();
+void RenderWidgetHostViewMac::DidCreateNewRendererCompositorFrameSink(
+    cc::mojom::MojoCompositorFrameSinkClient* renderer_compositor_frame_sink) {
+  renderer_compositor_frame_sink_ = renderer_compositor_frame_sink;
+  browser_compositor_->DidCreateNewRendererCompositorFrameSink(
+      renderer_compositor_frame_sink_);
 }
 
 void RenderWidgetHostViewMac::SubmitCompositorFrame(