WIP Add getCoalescedEvents API using vector of WebInputEvents

ui/events/blink/web_input_event_traits.h

Index: ui/events/blink/web_input_event_traits.h
diff --git a/ui/events/blink/web_input_event_traits.h b/ui/events/blink/web_input_event_traits.h
index 88ab04fdc727ba12fd2df146b1e2e683f71c5824..4219e7d9bff11e9a0e128cb5f4d23201e69f2cbf 100644
--- a/ui/events/blink/web_input_event_traits.h
+++ b/ui/events/blink/web_input_event_traits.h
@@ -5,9 +5,8 @@
 #ifndef UI_EVENTS_BLINK_WEB_INPUT_EVENT_TRAITS_H_
 #define UI_EVENTS_BLINK_WEB_INPUT_EVENT_TRAITS_H_
 
+#include "third_party/WebKit/public/platform/CoalescedWebInputEvent.h"
 #include "third_party/WebKit/public/platform/WebGestureEvent.h"
-#include "third_party/WebKit/public/platform/WebInputEvent.h"
-#include "ui/events/blink/scoped_web_input_event.h"
 #include "ui/events/latency_info.h"
 
 namespace ui {
@@ -17,7 +16,8 @@ class WebInputEventTraits {
  public:
   static std::string ToString(const blink::WebInputEvent& event);
   static size_t GetSize(blink::WebInputEvent::Type type);
-  static ScopedWebInputEvent Clone(const blink::WebInputEvent& event);
+  static blink::CoalescedWebInputEvent::ScopedWebInputEvent Clone(
+      const blink::WebInputEvent& event);
   static void Delete(blink::WebInputEvent* event);
   static bool ShouldBlockEventStream(const blink::WebInputEvent& event);