Teach MainThreadEventQueue about touchmove throttling.

content/renderer/input/input_event_filter.cc

Index: content/renderer/input/input_event_filter.cc
diff --git a/content/renderer/input/input_event_filter.cc b/content/renderer/input/input_event_filter.cc
index 7b268c07c9fc14fad66a4de3f19986dfe005c076..053589f8c1d3cf3dd65b1c5131039e89a5472c1b 100644
--- a/content/renderer/input/input_event_filter.cc
+++ b/content/renderer/input/input_event_filter.cc
@@ -126,7 +126,8 @@ void InputEventFilter::NotifyInputEventHandled(
   queue->EventHandled(type, result, ack_result);
 }
 
-void InputEventFilter::ProcessRafAlignedInput(int routing_id) {
+void InputEventFilter::ProcessRafAlignedInput(int routing_id,
+                                              double frame_time_sec) {
   DCHECK(main_task_runner_->BelongsToCurrentThread());
   scoped_refptr<MainThreadEventQueue> queue;
   {
@@ -137,7 +138,7 @@ void InputEventFilter::ProcessRafAlignedInput(int routing_id) {
     queue = iter->second;
   }
 
-  queue->DispatchRafAlignedInput();
+  queue->DispatchRafAlignedInput(frame_time_sec);
 }
 
 void InputEventFilter::OnFilterAdded(IPC::Channel* channel) {