WIP Add getCoalescedEvents API using vector of WebInputEvents

content/renderer/input/main_thread_event_queue.h

Index: content/renderer/input/main_thread_event_queue.h
diff --git a/content/renderer/input/main_thread_event_queue.h b/content/renderer/input/main_thread_event_queue.h
index 3e256b1bb350d6bb004ea8c4153011d6f33e4bac..1db06ed8b5babc087587624f6dc4eb2c9f876399 100644
--- a/content/renderer/input/main_thread_event_queue.h
+++ b/content/renderer/input/main_thread_event_queue.h
@@ -13,7 +13,7 @@
 #include "content/common/input/input_event_dispatch_type.h"
 #include "content/common/input/web_input_event_queue.h"
 #include "content/public/common/content_features.h"
-#include "third_party/WebKit/public/platform/WebInputEvent.h"
+#include "third_party/WebKit/public/platform/CoalescedWebInputEvent.h"
 #include "third_party/WebKit/public/platform/scheduler/renderer/renderer_scheduler.h"
 #include "ui/events/blink/web_input_event_traits.h"
 #include "ui/events/latency_info.h"
@@ -22,9 +22,10 @@ namespace content {
 
 class EventWithDispatchType : public ScopedWebInputEventWithLatencyInfo {
  public:
-  EventWithDispatchType(ui::ScopedWebInputEvent event,
-                        const ui::LatencyInfo& latency,
-                        InputEventDispatchType dispatch_type);
+  EventWithDispatchType(
+      blink::CoalescedWebInputEvent::ScopedWebInputEvent event,
+      const ui::LatencyInfo& latency,
+      InputEventDispatchType dispatch_type);
   ~EventWithDispatchType();
   bool CanCoalesceWith(const EventWithDispatchType& other) const
       WARN_UNUSED_RESULT;
@@ -58,7 +59,7 @@ class CONTENT_EXPORT MainThreadEventQueueClient {
   // channel. Implementors must implement this callback.
   virtual void HandleEventOnMainThread(
       int routing_id,
-      const blink::WebInputEvent* event,
+      const blink::CoalescedWebInputEvent* event,
       const ui::LatencyInfo& latency,
       InputEventDispatchType dispatch_type) = 0;
 
@@ -116,7 +117,7 @@ class CONTENT_EXPORT MainThreadEventQueue
 
   // Called once the compositor has handled |event| and indicated that it is
   // a non-blocking event to be queued to the main thread.
-  bool HandleEvent(ui::ScopedWebInputEvent event,
+  bool HandleEvent(blink::CoalescedWebInputEvent::ScopedWebInputEvent event,
                    const ui::LatencyInfo& latency,
                    InputEventDispatchType dispatch_type,
                    InputEventAckState ack_result);