Keep track of coalesced events in main thread event queue

content/renderer/render_widget.cc

Index: content/renderer/render_widget.cc
diff --git a/content/renderer/render_widget.cc b/content/renderer/render_widget.cc
index d72800f59b051afb8cdae422832dff92302483eb..3d5ca6b8000aeac8668107b5e7573384dda7df4f 100644
--- a/content/renderer/render_widget.cc
+++ b/content/renderer/render_widget.cc
@@ -795,12 +795,17 @@ GURL RenderWidget::GetURLForGraphicsContext3D() {
   return GURL();
 }
 
-void RenderWidget::OnHandleInputEvent(const blink::WebInputEvent* input_event,
-                                      const ui::LatencyInfo& latency_info,
-                                      InputEventDispatchType dispatch_type) {
+void RenderWidget::OnHandleInputEvent(
+    const blink::WebInputEvent* input_event,
+    const std::vector<const blink::WebInputEvent*>& coalescedEvents,
+    const ui::LatencyInfo& latency_info,
+    InputEventDispatchType dispatch_type) {
   if (!input_event)
     return;
-  input_handler_->HandleInputEvent(*input_event, latency_info, dispatch_type);
+
+  input_handler_->HandleInputEvent(
+      blink::WebCoalescedInputEvent(*input_event, coalescedEvents),
+      latency_info, dispatch_type);
 }
 
 void RenderWidget::OnCursorVisibilityChange(bool is_visible) {