WIP Add getCoalescedEvents API using vector of WebInputEvents

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 56799b1128b224d40efe5c5edff70d23b09efa44..567fb7e0970a148928498cb62e8d878b21a3640e 100644
--- a/content/renderer/input/input_event_filter.cc
+++ b/content/renderer/input/input_event_filter.cc
@@ -222,8 +222,10 @@ void InputEventFilter::ForwardToHandler(const IPC::Message& message,
     return;
   ui::ScopedWebInputEvent event =
       ui::WebInputEventTraits::Clone(*std::get<0>(params));
-  ui::LatencyInfo latency_info = std::get<1>(params);
-  InputEventDispatchType dispatch_type = std::get<2>(params);
+  std::vector<const blink::WebInputEvent*> coalescedEvents =
+      std::get<1>(params);
+  ui::LatencyInfo latency_info = std::get<2>(params);
+  InputEventDispatchType dispatch_type = std::get<3>(params);
 
   DCHECK(event);
   DCHECK(dispatch_type == DISPATCH_TYPE_BLOCKING ||
@@ -233,7 +235,7 @@ void InputEventFilter::ForwardToHandler(const IPC::Message& message,
     event->timeStampSeconds = ui::EventTimeStampToSeconds(received_time);
 
   input_handler_manager_->HandleInputEvent(
-      routing_id, std::move(event), latency_info,
+      routing_id, std::move(event), coalescedEvents, latency_info,
       base::Bind(&InputEventFilter::DidForwardToHandlerAndOverscroll, this,
                  routing_id, dispatch_type));
 };
@@ -289,12 +291,13 @@ void InputEventFilter::SendMessageOnIOThread(
 void InputEventFilter::HandleEventOnMainThread(
     int routing_id,
     const blink::WebInputEvent* event,
+    const std::vector<const blink::WebInputEvent*>& coalescedEvents,
     const ui::LatencyInfo& latency_info,
     InputEventDispatchType dispatch_type) {
   TRACE_EVENT_INSTANT0("input", "InputEventFilter::HandlEventOnMainThread",
                        TRACE_EVENT_SCOPE_THREAD);
-  IPC::Message new_msg =
-      InputMsg_HandleInputEvent(routing_id, event, latency_info, dispatch_type);
+  IPC::Message new_msg = InputMsg_HandleInputEvent(
+      routing_id, event, coalescedEvents, latency_info, dispatch_type);
   main_listener_.Run(new_msg);
 }