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

third_party/WebKit/Source/modules/encryptedmedia/MediaKeys.cpp

 /*
  * Copyright (C) 2013 Apple 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 202 matching lines @@
   //    parameter.
   DOMArrayBuffer* serverCertificateBuffer = DOMArrayBuffer::create(
       serverCertificate.data(), serverCertificate.byteLength());
 
   // 4. Let promise be a new promise.
   SetCertificateResultPromise* result =
       new SetCertificateResultPromise(scriptState, this);
   ScriptPromise promise = result->promise();
 
   // 5. Run the following steps asynchronously (documented in timerFired()).
-  m_pendingActions.append(PendingAction::CreatePendingSetServerCertificate(
+  m_pendingActions.push_back(PendingAction::CreatePendingSetServerCertificate(
       result, serverCertificateBuffer));
   if (!m_timer.isActive())
     m_timer.startOneShot(0, BLINK_FROM_HERE);
 
   // 6. Return promise.
   return promise;
 }
 
 bool MediaKeys::reserveForMediaElement(HTMLMediaElement* mediaElement) {
   // If some other HtmlMediaElement already has a reference to us, fail.
@@ skipping 77 matching lines @@
   // Remain around if there are pending events.
   DVLOG(MEDIA_KEYS_LOG_LEVEL)
       << __func__ << "(" << this << ")"
       << (!m_pendingActions.isEmpty() ? " !m_pendingActions.isEmpty()" : "")
       << (m_reservedForMediaElement ? " m_reservedForMediaElement" : "");
 
   return !m_pendingActions.isEmpty() || m_reservedForMediaElement;
 }
 
 }  // namespace blink