WIP Add getCoalescedEvents API using vector of WebInputEvents

content/renderer/mus/render_widget_mus_connection.cc

Index: content/renderer/mus/render_widget_mus_connection.cc
diff --git a/content/renderer/mus/render_widget_mus_connection.cc b/content/renderer/mus/render_widget_mus_connection.cc
index 80464706d3b82ad7093297a084daaef91f33f56f..65cd66c44663c2c48ad0ff53ceb735db233b0931 100644
--- a/content/renderer/mus/render_widget_mus_connection.cc
+++ b/content/renderer/mus/render_widget_mus_connection.cc
@@ -157,6 +157,7 @@ void RenderWidgetMusConnection::OnConnectionLost() {
 
 void RenderWidgetMusConnection::OnWindowInputEvent(
     ui::ScopedWebInputEvent input_event,
+    const std::vector<const blink::WebInputEvent*>& coalescedEvents,
     const base::Callback<void(ui::mojom::EventResult)>& ack) {
   DCHECK(thread_checker_.CalledOnValidThread());
   // If we don't yet have a RenderWidgetInputHandler then we don't yet have
@@ -172,7 +173,7 @@ void RenderWidgetMusConnection::OnWindowInputEvent(
   pending_ack_ = ack;
   // TODO(fsamuel, sadrul): Track real latency info.
   ui::LatencyInfo latency_info;
-  input_handler_->HandleInputEvent(*input_event, latency_info,
+  input_handler_->HandleInputEvent(*input_event, coalescedEvents, latency_info,
                                    DISPATCH_TYPE_BLOCKING);
 }