Migrate WTF::Deque::append() to ::push_back()

third_party/WebKit/Source/modules/vr/VRController.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 "modules/vr/VRController.h"
 
 #include "bindings/core/v8/ScriptPromiseResolver.h"
 #include "core/dom/DOMException.h"
 #include "core/dom/Document.h"
 #include "core/frame/LocalFrame.h"
@@ skipping 26 matching lines @@
   // If we've previously synced the VRDisplays or no longer have a valid service
   // connection just return the current list. In the case of the service being
   // disconnected this will be an empty array.
   if (!m_service || m_displaySynced) {
     resolver->resolve(m_displays);
     return;
   }
 
   // Otherwise we're still waiting for the full list of displays to be populated
   // so queue up the promise for resolution when onDisplaysSynced is called.
-  m_pendingGetDevicesCallbacks.append(
+  m_pendingGetDevicesCallbacks.push_back(
       WTF::makeUnique<VRGetDevicesCallback>(resolver));
 }
 
 void VRController::setListeningForActivate(bool listening) {
   if (m_service)
     m_service->SetListeningForActivate(listening);
 }
 
 // Each time a new VRDisplay is connected we'll recieve a VRDisplayPtr for it
 // here. Upon calling SetClient in the constructor we should receive one call
@@ skipping 59 matching lines @@
 }
 
 DEFINE_TRACE(VRController) {
   visitor->trace(m_navigatorVR);
   visitor->trace(m_displays);
 
   ContextLifecycleObserver::trace(visitor);
 }
 
 }  // namespace blink