Revert "Use MojoCompositorFrameSink in RendererCompositorFrameSink"

content/browser/renderer_host/render_widget_host_view_aura.h

Index: content/browser/renderer_host/render_widget_host_view_aura.h
diff --git a/content/browser/renderer_host/render_widget_host_view_aura.h b/content/browser/renderer_host/render_widget_host_view_aura.h
index c0e1fd77cd5016b2c8292ae3d5587f45d046afab..1d4eacf0e7e94af408a24a2122156fe0dbd75c6d 100644
--- a/content/browser/renderer_host/render_widget_host_view_aura.h
+++ b/content/browser/renderer_host/render_widget_host_view_aura.h
@@ -164,9 +164,7 @@ class CONTENT_EXPORT RenderWidgetHostViewAura
   void SetMainFrameAXTreeID(ui::AXTreeIDRegistry::AXTreeID id) override;
   bool LockMouse() override;
   void UnlockMouse() override;
-  void DidCreateNewRendererCompositorFrameSink(
-      cc::mojom::MojoCompositorFrameSinkClient* renderer_compositor_frame_sink)
-      override;
+  void DidCreateNewRendererCompositorFrameSink() override;
   void SubmitCompositorFrame(const cc::LocalSurfaceId& local_surface_id,
                              cc::CompositorFrame frame) override;
   void OnBeginFrameDidNotSwap(const cc::BeginFrameAck& ack) override;
@@ -583,9 +581,6 @@ class CONTENT_EXPORT RenderWidgetHostViewAura
 
   float device_scale_factor_;
 
-  cc::mojom::MojoCompositorFrameSinkClient* renderer_compositor_frame_sink_ =
-      nullptr;
-
   // While this is a ui::EventHandler for targetting, |event_handler_| actually
   // provides an implementation, and directs events to |host_|.
   std::unique_ptr<RenderWidgetHostViewEventHandler> event_handler_;