cc: Fix infinite BeginFrame that Scheduler causes.

cc/scheduler/scheduler.cc

Index: cc/scheduler/scheduler.cc
diff --git a/cc/scheduler/scheduler.cc b/cc/scheduler/scheduler.cc
index 8329e8e9601b823f1293d842f7e55ed4fe7a40fe..ccd6aed78e85cb271c9725cf09eff76080ad1b2d 100644
--- a/cc/scheduler/scheduler.cc
+++ b/cc/scheduler/scheduler.cc
@@ -162,6 +162,10 @@ void Scheduler::SetupNextBeginFrameIfNeeded() {
     client_->SetNeedsBeginFrameOnImplThread(true);
     return;
   }
+
+  client_->SetNeedsBeginFrameOnImplThread(needs_begin_frame_to_draw);

[brianderson, 2013/06/24 18:04:49]

We should avoid disabling SetNeedsBeginFrame until the next BeginFrame, so we
can't put this here.

+  if (safe_to_expect_begin_frame_)
+    last_set_needs_begin_frame_ = needs_begin_frame_to_draw;
 }
 
 void Scheduler::BeginFrame(const BeginFrameArgs& args) {