[SVG] DisplayList-based patterns.

Source/core/html/canvas/CanvasPattern.h

 /*
  * Copyright (C) 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
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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 #ifndef CanvasPattern_h
 #define CanvasPattern_h
 
 #include "bindings/core/v8/ScriptWrappable.h"
+#include "platform/graphics/Image.h"
 #include "platform/graphics/Pattern.h"
 #include "wtf/Forward.h"
 #include "wtf/PassRefPtr.h"
 #include "wtf/RefCounted.h"
 
 namespace blink {
 
 class ExceptionState;
-class Image;
 
 class CanvasPattern FINAL : public RefCountedWillBeGarbageCollectedFinalized<CanvasPattern>, public ScriptWrappable {
 public:
     static Pattern::RepeatMode parseRepetitionType(const String&, ExceptionState&);
 
     static PassRefPtrWillBeRawPtr<CanvasPattern> create(PassRefPtr<Image> image,
         Pattern::RepeatMode repeat, bool originClean)
     {
         return adoptRefWillBeNoop(new CanvasPattern(image, repeat, originClean));
     }
 
     Pattern* pattern() const { return m_pattern.get(); }
 
     bool originClean() const { return m_originClean; }
 
     void trace(Visitor*) { }
 
 private:
     CanvasPattern(PassRefPtr<Image>, Pattern::RepeatMode, bool originClean);
 
     RefPtr<Pattern> m_pattern;
     bool m_originClean;
 };
 
 } // namespace blink
 
 #endif