WIP Add getCoalescedEvents API using vector of WebInputEvents

content/common/input/web_input_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_COMMON_INPUT_WEB_INPUT_EVENT_QUEUE_H_
 #define CONTENT_COMMON_INPUT_WEB_INPUT_EVENT_QUEUE_H_
 
 #include <deque>
 #include <memory>
 
 namespace content {
 
 // WebInputEventQueue is a coalescing queue. It will examine
 // the current events in the queue and will attempt to coalesce with
 // the last event of the same class type.
 template <typename T>
 class WebInputEventQueue {
  public:
   WebInputEventQueue() {}
 
   // Adds an event to the queue. The event may be coalesced with previously
   // queued events.
   void Queue(std::unique_ptr<T> event) {
     for (auto last_event_iter = queue_.rbegin();
          last_event_iter != queue_.rend(); ++last_event_iter) {
-      if (!(*last_event_iter)->event().isSameEventClass(event->event())) {
+      if (!(*last_event_iter)
+               ->coalescedEvent()
+               .event()
+               .isSameEventClass(event->coalescedEvent().event())) {
         continue;
       }
 
       if ((*last_event_iter)->CanCoalesceWith(*event.get())) {
         (*last_event_iter)->CoalesceWith(*event.get());
         return;
       }
       break;
     }
     queue_.emplace_back(std::move(event));
@@ skipping 18 matching lines @@
  private:
   typedef std::deque<std::unique_ptr<T>> EventQueue;
   EventQueue queue_;
 
   DISALLOW_COPY_AND_ASSIGN(WebInputEventQueue);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_COMMON_INPUT_WEB_INPUT_EVENT_QUEUE_H_