Migrate WTF::Vector::append() to ::push_back() [part 13 of N]

third_party/WebKit/Source/modules/peerconnection/RTCDataChannel.cpp

 /*
  * Copyright (C) 2012 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:
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
  *     notice, this list of conditions and the following disclaimer in the
@@ skipping 335 matching lines @@
       break;
   }
 
   if (hasValidListeners)
     return true;
 
   return m_readyState != ReadyStateClosed && bufferedAmount() > 0;
 }
 
 void RTCDataChannel::scheduleDispatchEvent(Event* event) {
-  m_scheduledEvents.append(event);
+  m_scheduledEvents.push_back(event);
 
   if (!m_scheduledEventTimer.isActive())
     m_scheduledEventTimer.startOneShot(0, BLINK_FROM_HERE);
 }
 
 void RTCDataChannel::scheduledEventTimerFired(TimerBase*) {
   HeapVector<Member<Event>> events;
   events.swap(m_scheduledEvents);
 
   HeapVector<Member<Event>>::iterator it = events.begin();
   for (; it != events.end(); ++it)
     dispatchEvent((*it).release());
 
   events.clear();
 }
 
 DEFINE_TRACE(RTCDataChannel) {
   visitor->trace(m_scheduledEvents);
   EventTargetWithInlineData::trace(visitor);
   SuspendableObject::trace(visitor);
 }
 
 }  // namespace blink