Move Shadow DOM renderers into rendering/

Source/core/html/shadow/SliderThumbElement.h

 /*
  * Copyright (C) 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
  * 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
@@ skipping 63 matching lines @@
 };
 
 inline PassRefPtrWillBeRawPtr<Element> SliderThumbElement::cloneElementWithoutAttributesAndChildren()
 {
     return create(document());
 }
 
 // FIXME: There are no ways to check if a node is a SliderThumbElement.
 DEFINE_ELEMENT_TYPE_CASTS(SliderThumbElement, isHTMLElement());
 
-// --------------------------------
-
-class RenderSliderThumb FINAL : public RenderBlockFlow {
-public:
-    RenderSliderThumb(SliderThumbElement*);
-    void updateAppearance(RenderStyle* parentStyle);
-
-private:
-    virtual bool isSliderThumb() const OVERRIDE;
-};
-
-// --------------------------------
-
 class SliderContainerElement FINAL : public HTMLDivElement {
 public:
     DECLARE_NODE_FACTORY(SliderContainerElement);
 
 private:
     explicit SliderContainerElement(Document&);
     virtual RenderObject* createRenderer(RenderStyle*) OVERRIDE;
     virtual const AtomicString& shadowPseudoId() const OVERRIDE;
 };
 
 }
 
 #endif