Revert of cc: Remove frame queuing from the scheduler.

cc/surfaces/direct_compositor_frame_sink.cc

Index: cc/surfaces/direct_compositor_frame_sink.cc
diff --git a/cc/surfaces/direct_compositor_frame_sink.cc b/cc/surfaces/direct_compositor_frame_sink.cc
index 2552a3c6030d9ef8f9a1d995242cbca50d3163ae..b96cbbc93a327958a5e5940e418868020db009aa 100644
--- a/cc/surfaces/direct_compositor_frame_sink.cc
+++ b/cc/surfaces/direct_compositor_frame_sink.cc
@@ -79,7 +79,6 @@
 
 void DirectCompositorFrameSink::DetachFromClient() {
   DCHECK(HasClient());
-
   // Unregister the SurfaceFactoryClient here instead of the dtor so that only
   // one client is alive for this namespace at any given time.
   surface_manager_->UnregisterSurfaceFactoryClient(
@@ -147,7 +146,9 @@
 }
 
 void DirectCompositorFrameSink::DidDrawCallback() {
-  CompositorFrameSink::PostSwapBuffersComplete();
+  // TODO(danakj): Why the lost check?
+  if (!is_lost_)
+    client_->DidSwapBuffersComplete();
 }
 
 }  // namespace cc