Remove getNodesInCommand debug method from Editing commands

Source/core/editing/CompositeEditCommand.h

 /*
  * Copyright (C) 2005, 2006, 2008 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 37 matching lines @@
     void append(SimpleEditCommand*);
     bool wasCreateLinkCommand() const { return m_editAction == EditActionCreateLink; }
 
     const VisibleSelection& startingSelection() const { return m_startingSelection; }
     const VisibleSelection& endingSelection() const { return m_endingSelection; }
     void setStartingSelection(const VisibleSelection&);
     void setEndingSelection(const VisibleSelection&);
     Element* startingRootEditableElement() const { return m_startingRootEditableElement.get(); }
     Element* endingRootEditableElement() const { return m_endingRootEditableElement.get(); }
 
-#ifndef NDEBUG
-    virtual void getNodesInCommand(HashSet<Node*>&);
-#endif
-
 private:
     EditCommandComposition(Document*, const VisibleSelection& startingSelection, const VisibleSelection& endingSelection, EditAction);
 
     RefPtr<Document> m_document;
     VisibleSelection m_startingSelection;
     VisibleSelection m_endingSelection;
     Vector<RefPtr<SimpleEditCommand> > m_commands;
     RefPtr<Element> m_startingRootEditableElement;
     RefPtr<Element> m_endingRootEditableElement;
     EditAction m_editAction;
@@ skipping 108 matching lines @@
 inline CompositeEditCommand* toCompositeEditCommand(EditCommand* command)
 {
     ASSERT(command);
     ASSERT(command->isCompositeEditCommand());
     return static_cast<CompositeEditCommand*>(command);
 }
 
 } // namespace WebCore
 
 #endif // CompositeEditCommand_h