cc: Add SetNeedsOneBeginImplFrame to the Scheduler

cc/scheduler/scheduler.cc

Index: cc/scheduler/scheduler.cc
diff --git a/cc/scheduler/scheduler.cc b/cc/scheduler/scheduler.cc
index 28f99ed041d7c17466d5400bf100c8a1def0f0c0..69e45cdd83e61fbb458bd581958c28a1e7511b8c 100644
--- a/cc/scheduler/scheduler.cc
+++ b/cc/scheduler/scheduler.cc
@@ -172,6 +172,11 @@ void Scheduler::SetNeedsBeginMainFrame() {
   ProcessScheduledActions();
 }
 
+void Scheduler::SetNeedsOneBeginImplFrame() {
+  state_machine_.SetNeedsOneBeginImplFrame();
+  ProcessScheduledActions();
+}
+
 void Scheduler::SetNeedsRedraw() {
   state_machine_.SetNeedsRedraw();
   ProcessScheduledActions();