cc: ReadyToDraw notifications.

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 1e422cacb7f0e147d251af4429a5c93fa79fb446..16f1d0fd0d25144a400c48e5dd645b1101938b20 100644
--- a/cc/trees/single_thread_proxy.cc
+++ b/cc/trees/single_thread_proxy.cc
@@ -337,6 +337,11 @@ void SingleThreadProxy::NotifyReadyToActivate() {
     scheduler_on_impl_thread_->NotifyReadyToActivate();
 }
 
+void SingleThreadProxy::NotifyReadyToDraw() {
+  // Thread-only feature.

[vmpstr, 2014/10/24 18:02:24]

This would still be called though right? (if we're using single threaded impl
side)

[ernstm, 2014/10/27 21:13:57]

Acknowledged.

+  NOTREACHED();

[enne (OOO), 2014/10/24 19:16:28]

This notification will still get called, so just make this a no-op.

[ernstm, 2014/10/27 21:13:57]

Done.

+}
+
 void SingleThreadProxy::SetNeedsRedrawOnImplThread() {
   client_->ScheduleComposite();
   if (scheduler_on_impl_thread_)