Use stricter typing for NodeLists throughout the code base

Source/core/editing/Editor.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
  *
  * 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 22 matching lines @@
 #include "core/HTMLNames.h"
 #include "core/XLinkNames.h"
 #include "core/accessibility/AXObjectCache.h"
 #include "core/clipboard/Clipboard.h"
 #include "core/clipboard/DataObject.h"
 #include "core/clipboard/Pasteboard.h"
 #include "core/css/CSSComputedStyleDeclaration.h"
 #include "core/css/StylePropertySet.h"
 #include "core/dom/DocumentFragment.h"
 #include "core/dom/DocumentMarkerController.h"
-#include "core/dom/NodeList.h"
 #include "core/dom/NodeTraversal.h"
 #include "core/dom/ParserContentPolicy.h"
 #include "core/dom/Text.h"
 #include "core/editing/ApplyStyleCommand.h"
 #include "core/editing/DeleteSelectionCommand.h"
 #include "core/editing/IndentOutdentCommand.h"
 #include "core/editing/InputMethodController.h"
 #include "core/editing/InsertListCommand.h"
 #include "core/editing/RemoveFormatCommand.h"
 #include "core/editing/RenderedPosition.h"
@@ skipping 1248 matching lines @@
     frame().selection().setShouldShowBlockCursor(m_overwriteModeEnabled);
 }
 
 void Editor::trace(Visitor* visitor)
 {
     visitor->trace(m_lastEditCommand);
     visitor->trace(m_mark);
 }
 
 } // namespace WebCore