Migrate WTF::Vector::append() to ::push_back() [part 4 of N]

third_party/WebKit/Source/core/dom/ScriptedAnimationController.cpp

 /*
  * Copyright (C) 2011 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 81 matching lines @@
     const AtomicString& eventInterfaceFilter) {
   HeapVector<Member<Event>> events;
   if (eventInterfaceFilter.isEmpty()) {
     events.swap(m_eventQueue);
     m_perFrameEvents.clear();
   } else {
     HeapVector<Member<Event>> remaining;
     for (auto& event : m_eventQueue) {
       if (event && event->interfaceName() == eventInterfaceFilter) {
         m_perFrameEvents.remove(eventTargetKey(event.get()));
-        events.append(event.release());
+        events.push_back(event.release());
       } else {
-        remaining.append(event.release());
+        remaining.push_back(event.release());
       }
     }
     remaining.swap(m_eventQueue);
   }
 
   for (const auto& event : events) {
     EventTarget* eventTarget = event->target();
     // FIXME: we should figure out how to make dispatchEvent properly virtual to
     // avoid special casting window.
     // FIXME: We should not fire events for nodes that are no longer in the
@@ skipping 48 matching lines @@
   callMediaQueryListListeners();
   dispatchEvents();
   runTasks();
   executeCallbacks(monotonicTimeNow);
 
   scheduleAnimationIfNeeded();
 }
 
 void ScriptedAnimationController::enqueueTask(
     std::unique_ptr<WTF::Closure> task) {
-  m_taskQueue.append(std::move(task));
+  m_taskQueue.push_back(std::move(task));
   scheduleAnimationIfNeeded();
 }
 
 void ScriptedAnimationController::enqueueEvent(Event* event) {
   InspectorInstrumentation::asyncTaskScheduled(
       event->target()->getExecutionContext(), event->type(), event);
-  m_eventQueue.append(event);
+  m_eventQueue.push_back(event);
   scheduleAnimationIfNeeded();
 }
 
 void ScriptedAnimationController::enqueuePerFrameEvent(Event* event) {
   if (!m_perFrameEvents.add(eventTargetKey(event)).isNewEntry)
     return;
   enqueueEvent(event);
 }
 
 void ScriptedAnimationController::enqueueMediaQueryChangeListeners(
     HeapVector<Member<MediaQueryListListener>>& listeners) {
   for (const auto& listener : listeners) {
     m_mediaQueryListListeners.add(listener);
   }
   scheduleAnimationIfNeeded();
 }
 
 void ScriptedAnimationController::scheduleAnimationIfNeeded() {
   if (!hasScheduledItems())
     return;
 
   if (!m_document)
     return;
 
   if (FrameView* frameView = m_document->view())
     frameView->scheduleAnimation();
 }
 
 }  // namespace blink