Make cc output surface creation async

cc/trees/layer_tree_host.cc

Index: cc/trees/layer_tree_host.cc
diff --git a/cc/trees/layer_tree_host.cc b/cc/trees/layer_tree_host.cc
index 6f995d8ca634a3548bb4b460896fd6dc2d806d69..6e07a0189624c0ecd376094621fb7da0d807d6d2 100644
--- a/cc/trees/layer_tree_host.cc
+++ b/cc/trees/layer_tree_host.cc
@@ -383,8 +383,12 @@ void LayerTreeHost::CommitComplete() {
   client_->DidCommit();
 }
 
-scoped_ptr<OutputSurface> LayerTreeHost::CreateOutputSurface() {
-  return client_->CreateOutputSurface(num_failed_recreate_attempts_ >= 4);
+void LayerTreeHost::SetOutputSurface(scoped_ptr<OutputSurface> surface) {
+  proxy_->SetOutputSurface(surface.Pass());
+}
+
+void LayerTreeHost::RequestNewOutputSurface() {
+  client_->RequestNewOutputSurface(num_failed_recreate_attempts_ >= 4);
 }
 
 scoped_ptr<LayerTreeHostImpl> LayerTreeHost::CreateLayerTreeHostImpl(
@@ -678,9 +682,8 @@ void LayerTreeHost::Composite(base::TimeTicks frame_begin_time) {
   SingleThreadProxy* proxy = static_cast<SingleThreadProxy*>(proxy_.get());
 
   SetLayerTreeHostClientReady();
-
   if (output_surface_lost_)
-    proxy->CreateAndInitializeOutputSurface();
+    RequestNewOutputSurface();
   if (output_surface_lost_)

[no sievers, 2014/06/23 19:53:58]

nit: combine if-clauses

[enne (OOO), 2014/06/24 22:20:06]

Done.

     return;