Remove remaining HTML elements

sky/engine/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 17 matching lines @@
 #include "mojo/public/cpp/system/core.h"
 #include "sky/engine/platform/heap/Handle.h"
 #include "sky/engine/wtf/Forward.h"
 #include "sky/engine/wtf/RefCounted.h"
 #include "sky/engine/wtf/text/TextPosition.h"
 
 namespace blink {
 
 class Document;
 class SegmentedString;
-class HTMLDocumentParser;
-class TextResourceDecoder;
 
 class DocumentParser : public RefCounted<DocumentParser> {
 public:
     virtual ~DocumentParser();
 
     virtual void parse(mojo::ScopedDataPipeConsumerHandle,
                        const base::Closure& completionCallback) = 0;
 
     virtual TextPosition textPosition() const = 0;
     virtual void resumeAfterWaitingForImports() = 0;
@@ skipping 38 matching lines @@
     ParserState m_state;
 
     // Every DocumentParser needs a pointer back to the document.
     // m_document will be 0 after the parser is stopped.
     Document* m_document;
 };
 
 } // namespace blink
 
 #endif  // SKY_ENGINE_CORE_DOM_DOCUMENTPARSER_H_