Migrate WTF::Vector::append() to ::push_back() [part 6 of N]

third_party/WebKit/Source/core/events/ScopedEventQueue.cpp

 /*
  * Copyright (C) 2010 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 40 matching lines @@
 void ScopedEventQueue::initialize() {
   DCHECK(!s_instance);
   std::unique_ptr<ScopedEventQueue> instance =
       WTF::wrapUnique(new ScopedEventQueue);
   s_instance = instance.release();
 }
 
 void ScopedEventQueue::enqueueEventDispatchMediator(
     EventDispatchMediator* mediator) {
   if (shouldQueueEvents())
-    m_queuedEventDispatchMediators.append(mediator);
+    m_queuedEventDispatchMediators.push_back(mediator);
   else
     dispatchEvent(mediator);
 }
 
 void ScopedEventQueue::dispatchAllEvents() {
   HeapVector<Member<EventDispatchMediator>> queuedEventDispatchMediators;
   queuedEventDispatchMediators.swap(m_queuedEventDispatchMediators);
 
   for (auto& mediator : queuedEventDispatchMediators)
     dispatchEvent(mediator.release());
@@ skipping 17 matching lines @@
 }
 
 void ScopedEventQueue::decrementScopingLevel() {
   DCHECK(m_scopingLevel);
   m_scopingLevel--;
   if (!m_scopingLevel)
     dispatchAllEvents();
 }
 
 }  // namespace blink