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

third_party/WebKit/Source/core/editing/commands/UndoStack.cpp

 /*
  * Copyright (C) 2006, 2007 Apple, Inc.  All rights reserved.
  * Copyright (C) 2012 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
@@ skipping 33 matching lines @@
   return new UndoStack();
 }
 
 void UndoStack::registerUndoStep(UndoStep* step) {
   if (m_undoStack.size())
     DCHECK_GE(step->sequenceNumber(), m_undoStack.back()->sequenceNumber());
   if (m_undoStack.size() == maximumUndoStackDepth)
     m_undoStack.removeFirst();  // drop oldest item off the far end
   if (!m_inRedo)
     m_redoStack.clear();
-  m_undoStack.append(step);
+  m_undoStack.push_back(step);
 }
 
 void UndoStack::registerRedoStep(UndoStep* step) {
-  m_redoStack.append(step);
+  m_redoStack.push_back(step);
 }
 
 bool UndoStack::canUndo() const {
   return !m_undoStack.isEmpty();
 }
 
 bool UndoStack::canRedo() const {
   return !m_redoStack.isEmpty();
 }
 
@@ skipping 31 matching lines @@
 }
 
 UndoStack::UndoStepRange::UndoStepRange(const UndoStepStack& steps)
     : m_stepStack(steps) {}
 
 UndoStack::UndoStepRange UndoStack::undoSteps() const {
   return UndoStepRange(m_undoStack);
 }
 
 }  // namespace blink