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

third_party/WebKit/Source/modules/peerconnection/RTCStatsResponse.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 21 matching lines @@
 
 RTCStatsResponse::RTCStatsResponse() {}
 
 RTCLegacyStatsReport* RTCStatsResponse::namedItem(const AtomicString& name) {
   if (m_idmap.find(name) != m_idmap.end())
     return m_result[m_idmap.get(name)];
   return nullptr;
 }
 
 void RTCStatsResponse::addStats(const WebRTCLegacyStats& stats) {
-  m_result.append(RTCLegacyStatsReport::create(stats.id(), stats.type(),
-                                               stats.timestamp()));
+  m_result.push_back(RTCLegacyStatsReport::create(stats.id(), stats.type(),
+                                                  stats.timestamp()));
   m_idmap.add(stats.id(), m_result.size() - 1);
   RTCLegacyStatsReport* report = m_result[m_result.size() - 1].get();
 
   for (std::unique_ptr<WebRTCLegacyStatsMemberIterator> member(
            stats.iterator());
        !member->isEnd(); member->next()) {
     report->addStatistic(member->name(), member->valueToString());
   }
 }
 
 DEFINE_TRACE(RTCStatsResponse) {
   visitor->trace(m_result);
   RTCStatsResponseBase::trace(visitor);
 }
 
 }  // namespace blink