InlinedVisitor: Migrate dom to use inlined tracing

Source/core/dom/DocumentParser.h

 /*
  * Copyright (C) 2000 Peter Kelly (pmk@post.com)
  * Copyright (C) 2005, 2006 Apple Computer, Inc.
  * Copyright (C) 2007 Samuel Weinig (sam@webkit.org)
  * Copyright (C) 2010 Google, Inc.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
@@ skipping 21 matching lines @@
 
 class Document;
 class DocumentParserClient;
 class SegmentedString;
 class ScriptableDocumentParser;
 class TextResourceDecoder;
 
 class DocumentParser : public RefCountedWillBeGarbageCollectedFinalized<DocumentParser> {
 public:
     virtual ~DocumentParser();
-    virtual void trace(Visitor*);
+    DECLARE_VIRTUAL_TRACE();
 
     virtual ScriptableDocumentParser* asScriptableDocumentParser() { return 0; }
 
     // http://www.whatwg.org/specs/web-apps/current-work/#insertion-point
     virtual bool hasInsertionPoint() { return true; }
 
     // insert is used by document.write.
     virtual void insert(const SegmentedString&) = 0;
 
     // The below functions are used by DocumentWriter (the loader).
@@ skipping 67 matching lines @@
     // Every DocumentParser needs a pointer back to the document.
     // m_document will be 0 after the parser is stopped.
     RawPtrWillBeMember<Document> m_document;
 
     WillBeHeapHashSet<RawPtrWillBeWeakMember<DocumentParserClient> > m_clients;
 };
 
 } // namespace blink
 
 #endif // DocumentParser_h