Migrate WTF::Vector::append() to ::push_back() [part 12 of N]

third_party/WebKit/Source/core/timing/PerformanceObserver.cpp

 // Copyright 2015 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.
 
 #include "core/timing/PerformanceObserver.h"
 
 #include "bindings/core/v8/ExceptionState.h"
 #include "bindings/core/v8/PerformanceObserverCallback.h"
 #include "core/dom/ExecutionContext.h"
 #include "core/timing/PerformanceBase.h"
@@ skipping 53 matching lines @@
 void PerformanceObserver::disconnect() {
   if (m_performance) {
     m_performance->unregisterPerformanceObserver(*this);
   }
   m_performanceEntries.clear();
   m_isRegistered = false;
 }
 
 void PerformanceObserver::enqueuePerformanceEntry(PerformanceEntry& entry) {
   ASSERT(isMainThread());
-  m_performanceEntries.append(&entry);
+  m_performanceEntries.push_back(&entry);
   if (m_performance)
     m_performance->activateObserver(*this);
 }
 
 bool PerformanceObserver::shouldBeSuspended() const {
   return m_executionContext->isContextSuspended();
 }
 
 void PerformanceObserver::deliver() {
   ASSERT(!shouldBeSuspended());
@@ skipping 13 matching lines @@
   visitor->trace(m_callback);
   visitor->trace(m_performance);
   visitor->trace(m_performanceEntries);
 }
 
 DEFINE_TRACE_WRAPPERS(PerformanceObserver) {
   visitor->traceWrappers(m_callback);
 }
 
 }  // namespace blink