WIP Add getCoalescedEvents API using vector of WebInputEvents

content/common/input/event_with_latency_info.h

Index: content/common/input/event_with_latency_info.h
diff --git a/content/common/input/event_with_latency_info.h b/content/common/input/event_with_latency_info.h
index 021b3bfc8ac9c9bc73f69105188820f28d248983..4ac1d45bebf166e18b06e145fc5196f025186ef0 100644
--- a/content/common/input/event_with_latency_info.h
+++ b/content/common/input/event_with_latency_info.h
@@ -47,12 +47,16 @@ class ScopedWebInputEventWithLatencyInfo {
 
   const blink::WebInputEvent& event() const;
   blink::WebInputEvent& event();
+  const std::vector<const blink::WebInputEvent*>& coalescedEvents();
   const ui::LatencyInfo latencyInfo() const { return latency_; }
 
   void CoalesceWith(const ScopedWebInputEventWithLatencyInfo& other);
 
  private:
   ui::ScopedWebInputEvent event_;
+  std::vector<ui::ScopedWebInputEvent> scopedCoalescedEvents_;
+  std::vector<const blink::WebInputEvent*> coalescedEvents_;
+
   mutable ui::LatencyInfo latency_;
 };