Use stricter typing for NodeLists throughout the code base

Source/core/inspector/InspectorCSSAgent.h

 /*
  * Copyright (C) 2010, 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
  *     notice, this list of conditions and the following disclaimer in the
@@ skipping 36 matching lines @@
 class CSSRuleList;
 class CSSStyleRule;
 class CSSStyleSheet;
 class Document;
 class Element;
 class InspectorFrontend;
 class InspectorResourceAgent;
 class InstrumentingAgents;
 class MediaList;
 class Node;
-class NodeList;
 class PlatformFontUsage;
 class RenderText;
 class StyleResolver;
 
 class InspectorCSSAgent FINAL
     : public InspectorBaseAgent<InspectorCSSAgent>
     , public InspectorDOMAgent::DOMListener
     , public InspectorBackendDispatcher::CSSCommandHandler
     , public InspectorStyleSheetBase::Listener {
     WTF_MAKE_NONCOPYABLE(InspectorCSSAgent);
@@ skipping 151 matching lines @@
     bool m_isSettingStyleSheetText;
 
     friend class EnableResourceClient;
     friend class StyleSheetBinder;
 };
 
 
 } // namespace WebCore
 
 #endif // !defined(InspectorCSSAgent_h)