WIP: move OffscreenCanvas into new display compositor

components/display_compositor/gpu_compositor_frame_sink.cc

Index: components/display_compositor/gpu_compositor_frame_sink.cc
diff --git a/components/display_compositor/gpu_compositor_frame_sink.cc b/components/display_compositor/gpu_compositor_frame_sink.cc
index ac1584bc911155da467f1ed27e6918a6d92d9ab5..69936a1c23c9edbd4ae6340bd0041c84ab5a2889 100644
--- a/components/display_compositor/gpu_compositor_frame_sink.cc
+++ b/components/display_compositor/gpu_compositor_frame_sink.cc
@@ -11,19 +11,10 @@ namespace display_compositor {
 GpuCompositorFrameSink::GpuCompositorFrameSink(
     GpuCompositorFrameSinkDelegate* delegate,
     std::unique_ptr<cc::CompositorFrameSinkSupport> support,
-    cc::mojom::MojoCompositorFrameSinkPrivateRequest
-        compositor_frame_sink_private_request,
     cc::mojom::MojoCompositorFrameSinkClientPtr client)
     : delegate_(delegate),
       support_(std::move(support)),
-      client_(std::move(client)),
-      compositor_frame_sink_private_binding_(
-          this,
-          std::move(compositor_frame_sink_private_request)) {
-  compositor_frame_sink_private_binding_.set_connection_error_handler(
-      base::Bind(&GpuCompositorFrameSink::OnPrivateConnectionLost,
-                 base::Unretained(this)));
-}
+      client_(std::move(client)) {}
 
 GpuCompositorFrameSink::~GpuCompositorFrameSink() {}
 
@@ -55,16 +46,6 @@ void GpuCompositorFrameSink::DidReceiveCompositorFrameAck() {
     client_->DidReceiveCompositorFrameAck();
 }
 
-void GpuCompositorFrameSink::AddChildFrameSink(
-    const cc::FrameSinkId& child_frame_sink_id) {
-  support_->AddChildFrameSink(child_frame_sink_id);
-}
-
-void GpuCompositorFrameSink::RemoveChildFrameSink(
-    const cc::FrameSinkId& child_frame_sink_id) {
-  support_->RemoveChildFrameSink(child_frame_sink_id);
-}
-
 void GpuCompositorFrameSink::OnBeginFrame(const cc::BeginFrameArgs& args) {
   if (client_)
     client_->OnBeginFrame(args);
@@ -82,17 +63,10 @@ void GpuCompositorFrameSink::WillDrawSurface() {
 }
 
 void GpuCompositorFrameSink::OnClientConnectionLost() {
-  client_connection_lost_ = true;
+  SetClientConnectionLost(true);
   // Request destruction of |this| only if both connections are lost.
   delegate_->OnClientConnectionLost(support_->frame_sink_id(),
-                                    private_connection_lost_);
-}
-
-void GpuCompositorFrameSink::OnPrivateConnectionLost() {
-  private_connection_lost_ = true;
-  // Request destruction of |this| only if both connections are lost.
-  delegate_->OnPrivateConnectionLost(support_->frame_sink_id(),
-                                     client_connection_lost_);
+                                    GetPrivateConnectionLost());
 }
 
 }  // namespace display_compositor