WIP Add getCoalescedEvents API using vector of WebInputEvents

content/renderer/input/input_handler_manager.h

Index: content/renderer/input/input_handler_manager.h
diff --git a/content/renderer/input/input_handler_manager.h b/content/renderer/input/input_handler_manager.h
index b838d9b3052b6f311fdd82854f7176cea02913b3..85c47ff8bb9d1e68f0b2a89c4931a5bda7cd1dba 100644
--- a/content/renderer/input/input_handler_manager.h
+++ b/content/renderer/input/input_handler_manager.h
@@ -86,10 +86,12 @@ class CONTENT_EXPORT InputHandlerManager {
                           const ui::LatencyInfo&,
                           std::unique_ptr<ui::DidOverscrollParams>)>;
   // Called from the compositor's thread.
-  virtual void HandleInputEvent(int routing_id,
-                                ui::ScopedWebInputEvent input_event,
-                                const ui::LatencyInfo& latency_info,
-                                const InputEventAckStateCallback& callback);
+  virtual void HandleInputEvent(
+      int routing_id,
+      ui::ScopedWebInputEvent input_event,
+      const std::vector<const blink::WebInputEvent*>& coalescedEvents,
+      const ui::LatencyInfo& latency_info,
+      const InputEventAckStateCallback& callback);
 
   // Called from the compositor's thread.
   void DidOverscroll(int routing_id, const ui::DidOverscrollParams& params);