Keep track of coalesced events in main thread event queue

content/renderer/input/render_widget_input_handler.cc

Index: content/renderer/input/render_widget_input_handler.cc
diff --git a/content/renderer/input/render_widget_input_handler.cc b/content/renderer/input/render_widget_input_handler.cc
index a373d07351df05785f54b4b8a7a5c9549689f51e..f6f161d0cfb6b39ccb48f69dd23eefab2c029cad 100644
--- a/content/renderer/input/render_widget_input_handler.cc
+++ b/content/renderer/input/render_widget_input_handler.cc
@@ -207,9 +207,10 @@ RenderWidgetInputHandler::RenderWidgetInputHandler(
 RenderWidgetInputHandler::~RenderWidgetInputHandler() {}
 
 void RenderWidgetInputHandler::HandleInputEvent(
-    const WebInputEvent& input_event,
+    const blink::WebCoalescedInputEvent& coalesced_event,
     const ui::LatencyInfo& latency_info,
     InputEventDispatchType dispatch_type) {
+  const WebInputEvent& input_event = coalesced_event.event();
   base::AutoReset<bool> handling_input_event_resetter(&handling_input_event_,
                                                       true);
   base::AutoReset<WebInputEvent::Type> handling_event_type_resetter(
@@ -308,7 +309,7 @@ void RenderWidgetInputHandler::HandleInputEvent(
       !suppress_next_char_events_) {
     suppress_next_char_events_ = false;
     if (processed == WebInputEventResult::NotHandled && widget_->GetWebWidget())
-      processed = widget_->GetWebWidget()->handleInputEvent(input_event);
+      processed = widget_->GetWebWidget()->handleInputEvent(coalesced_event);
   }
 
   // TODO(dtapuska): Use the input_event.timeStampSeconds as the start