Fix for often broken fling scrolls on Aura

content/renderer/input/input_handler_proxy.cc

Index: content/renderer/input/input_handler_proxy.cc
diff --git a/content/renderer/input/input_handler_proxy.cc b/content/renderer/input/input_handler_proxy.cc
index 2793576bd3989fda204ba550ad3a516539bd8691..0abe6e15779b80821ef8776a500c09aada46e800 100644
--- a/content/renderer/input/input_handler_proxy.cc
+++ b/content/renderer/input/input_handler_proxy.cc
@@ -349,7 +349,8 @@ void InputHandlerProxy::Animate(base::TimeTicks time) {
     return;
 
   double monotonic_time_sec = InSecondsF(time);
-  if (!fling_parameters_.startTime) {
+  if (!fling_parameters_.startTime ||
+      monotonic_time_sec <= fling_parameters_.startTime) {
     fling_parameters_.startTime = monotonic_time_sec;
     input_handler_->ScheduleAnimation();
     return;