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

third_party/WebKit/Source/modules/webdatabase/SQLTransactionBackend.cpp

 /*
  * Copyright (C) 2007, 2008, 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
@@ skipping 483 matching lines @@
          static_cast<int>(SQLTransactionState::NumberOfStates));
   ASSERT(state < SQLTransactionState::NumberOfStates);
 
   return stateFunctions[static_cast<int>(state)];
 }
 
 void SQLTransactionBackend::enqueueStatementBackend(
     SQLStatementBackend* statementBackend) {
   DCHECK(isMainThread());
   MutexLocker locker(m_statementMutex);
-  m_statementQueue.append(statementBackend);
+  m_statementQueue.push_back(statementBackend);
 }
 
 void SQLTransactionBackend::computeNextStateAndCleanupIfNeeded() {
   DCHECK(
       database()->getDatabaseContext()->databaseThread()->isDatabaseThread());
   // Only honor the requested state transition if we're not supposed to be
   // cleaning up and shutting down:
   if (m_database->opened()) {
     setStateToRequestedState();
     ASSERT(m_nextState == SQLTransactionState::AcquireLock ||
@@ skipping 374 matching lines @@
   return SQLTransactionState::End;
 }
 
 SQLTransactionState SQLTransactionBackend::sendToFrontendState() {
   ASSERT(m_nextState != SQLTransactionState::Idle);
   m_frontend->requestTransitToState(m_nextState);
   return SQLTransactionState::Idle;
 }
 
 }  // namespace blink