Migrate WTF::Deque::removeFirst() to ::pop_front()

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 30 matching lines @@
 UndoStack::UndoStack() : m_inRedo(false) {}
 
 UndoStack* UndoStack::create() {
   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
+    m_undoStack.pop_front();  // drop oldest item off the far end
   if (!m_inRedo)
     m_redoStack.clear();
   m_undoStack.push_back(step);
 }
 
 void UndoStack::registerRedoStep(UndoStep* step) {
   m_redoStack.push_back(step);
 }
 
 bool UndoStack::canUndo() const {
@@ skipping 38 matching lines @@
 }
 
 UndoStack::UndoStepRange::UndoStepRange(const UndoStepStack& steps)
     : m_stepStack(steps) {}
 
 UndoStack::UndoStepRange UndoStack::undoSteps() const {
   return UndoStepRange(m_undoStack);
 }
 
 }  // namespace blink