cc: Remove CreateAndInitializeOutputSurface from the Proxy interface.

cc/trees/single_thread_proxy.cc

Index: cc/trees/single_thread_proxy.cc
diff --git a/cc/trees/single_thread_proxy.cc b/cc/trees/single_thread_proxy.cc
index dd9e16a81cffaf7d1ee13784cf4182dfbb3b6438..2c50f1cf4a83d38ec1d02435a2d0d69060108beb 100644
--- a/cc/trees/single_thread_proxy.cc
+++ b/cc/trees/single_thread_proxy.cc
@@ -88,6 +88,7 @@ void SingleThreadProxy::CreateAndInitializeOutputSurface() {
   TRACE_EVENT0(
       "cc", "SingleThreadProxy::CreateAndInitializeOutputSurface");
   DCHECK(Proxy::IsMainThread());
+  DCHECK(layer_tree_host_->output_surface_lost());
 
   scoped_ptr<OutputSurface> output_surface =
       layer_tree_host_->CreateOutputSurface();
@@ -339,9 +340,7 @@ void SingleThreadProxy::DidSwapBuffersCompleteOnImplThread() {
 void SingleThreadProxy::CompositeImmediately(base::TimeTicks frame_begin_time) {
   TRACE_EVENT0("cc", "SingleThreadProxy::CompositeImmediately");
   DCHECK(Proxy::IsMainThread());
-
-  if (!layer_tree_host_->InitializeOutputSurfaceIfNeeded())
-    return;
+  DCHECK(!layer_tree_host_->output_surface_lost());
 
   layer_tree_host_->AnimateLayers(frame_begin_time);