WIP Add getCoalescedEvents API using vector of WebInputEvents

content/renderer/input/main_thread_event_queue.h

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_RENDERER_INPUT_MAIN_THREAD_EVENT_QUEUE_H_
 #define CONTENT_RENDERER_INPUT_MAIN_THREAD_EVENT_QUEUE_H_
 
 #include <deque>
 #include "base/feature_list.h"
 #include "content/common/content_export.h"
@@ skipping 41 matching lines @@
 };
 
 class CONTENT_EXPORT MainThreadEventQueueClient {
  public:
   // Handle an |event| that was previously queued (possibly
   // coalesced with another event) to the |routing_id|'s
   // channel. Implementors must implement this callback.
   virtual void HandleEventOnMainThread(
       int routing_id,
       const blink::WebInputEvent* event,
+      const std::vector<const blink::WebInputEvent*>& coalescedEvents,
       const ui::LatencyInfo& latency,
       InputEventDispatchType dispatch_type) = 0;
 
   virtual void SendInputEventAck(int routing_id,
                                  blink::WebInputEvent::Type type,
                                  InputEventAckState ack_result,
                                  uint32_t touch_event_id) = 0;
   virtual void NeedsMainFrame(int routing_id) = 0;
 };
 
@@ skipping 98 matching lines @@
 
   scoped_refptr<base::SingleThreadTaskRunner> main_task_runner_;
   blink::scheduler::RendererScheduler* renderer_scheduler_;
 
   DISALLOW_COPY_AND_ASSIGN(MainThreadEventQueue);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_INPUT_MAIN_THREAD_EVENT_QUEUE_H_