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

third_party/WebKit/Source/modules/screen_orientation/ScreenOrientationControllerImpl.cpp

 // Copyright 2014 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 "modules/screen_orientation/ScreenOrientationControllerImpl.h"
 
 #include "core/dom/Document.h"
 #include "core/events/Event.h"
 #include "core/frame/FrameHost.h"
 #include "core/frame/FrameView.h"
@@ skipping 121 matching lines @@
 
   updateOrientation();
 
   // Keep track of the frames that need to be notified before notifying the
   // current frame as it will prevent side effects from the change event
   // handlers.
   HeapVector<Member<LocalFrame>> childFrames;
   for (Frame* child = frame()->tree().firstChild(); child;
        child = child->tree().nextSibling()) {
     if (child->isLocalFrame())
-      childFrames.append(toLocalFrame(child));
+      childFrames.push_back(toLocalFrame(child));
   }
 
   // Notify current orientation object.
   if (!m_dispatchEventTimer.isActive())
     m_dispatchEventTimer.startOneShot(0, BLINK_FROM_HERE);
 
   // ... and child frames, if they have a ScreenOrientationControllerImpl.
   for (size_t i = 0; i < childFrames.size(); ++i) {
     if (ScreenOrientationControllerImpl* controller =
             ScreenOrientationControllerImpl::from(*childFrames[i]))
@@ skipping 69 matching lines @@
 }
 
 DEFINE_TRACE(ScreenOrientationControllerImpl) {
   visitor->trace(m_orientation);
   ContextLifecycleObserver::trace(visitor);
   Supplement<LocalFrame>::trace(visitor);
   PlatformEventController::trace(visitor);
 }
 
 }  // namespace blink