Update from https://crrev.com/312398

cc/scheduler/scheduler_state_machine.cc

Index: cc/scheduler/scheduler_state_machine.cc
diff --git a/cc/scheduler/scheduler_state_machine.cc b/cc/scheduler/scheduler_state_machine.cc
index c3a4a1e272a5a6006ac49548dea5b206cdb40a0b..d54907f4059f844307e7370126faf5c7784ac2e2 100644
--- a/cc/scheduler/scheduler_state_machine.cc
+++ b/cc/scheduler/scheduler_state_machine.cc
@@ -875,12 +875,6 @@ bool SchedulerStateMachine::ShouldTriggerBeginImplFrameDeadlineImmediately()
   if (pending_swaps_ >= max_pending_swaps_)
     return false;
 
-  if (active_tree_needs_first_draw_)
-    return true;
-
-  if (!needs_redraw_)
-    return false;
-
   // This is used to prioritize impl-thread draws when the main thread isn't
   // producing anything, e.g., after an aborted commit. We also check that we
   // don't have a pending tree -- otherwise we should give it a chance to
@@ -889,6 +883,12 @@ bool SchedulerStateMachine::ShouldTriggerBeginImplFrameDeadlineImmediately()
   if (commit_state_ == COMMIT_STATE_IDLE && !has_pending_tree_)
     return true;
 
+  if (!needs_redraw_)
+    return false;
+
+  if (active_tree_needs_first_draw_)
+    return true;
+
   // Prioritize impl-thread draws in impl_latency_takes_priority_ mode.
   if (impl_latency_takes_priority_)
     return true;