cc: Throttle swaps in Scheduler instead of OutputSurface

cc/scheduler/scheduler.cc

Index: cc/scheduler/scheduler.cc
diff --git a/cc/scheduler/scheduler.cc b/cc/scheduler/scheduler.cc
index b186a9d489e53e964d7604dd1fe68a94aad7aae6..78d1973e9c035a07275e9cb921debbf34ba37966 100644
--- a/cc/scheduler/scheduler.cc
+++ b/cc/scheduler/scheduler.cc
@@ -92,11 +92,22 @@ void Scheduler::SetNeedsManageTiles() {
   ProcessScheduledActions();
 }
 
+void Scheduler::SetMaxSwapsPending(int max) {
+  state_machine_.SetMaxSwapsPending(max);
+}
+
+void Scheduler::DidSwapBuffers() { state_machine_.DidSwapBuffers(); }
+
 void Scheduler::SetSwapUsedIncompleteTile(bool used_incomplete_tile) {
   state_machine_.SetSwapUsedIncompleteTile(used_incomplete_tile);
   ProcessScheduledActions();
 }
 
+void Scheduler::OnSwapBuffersComplete() {
+  state_machine_.OnSwapBuffersComplete();
+  ProcessScheduledActions();
+}
+
 void Scheduler::SetSmoothnessTakesPriority(bool smoothness_takes_priority) {
   state_machine_.SetSmoothnessTakesPriority(smoothness_takes_priority);
   ProcessScheduledActions();