Move form-related files in core/html/shadow to core/html/forms.

third_party/WebKit/Source/core/layout/LayoutSliderThumb.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 14 matching lines @@
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef LayoutSliderThumb_h
 #define LayoutSliderThumb_h
 
-#include "core/html/shadow/SliderThumbElement.h"
 #include "core/layout/LayoutBlockFlow.h"
 
 namespace blink {
 
 class SliderThumbElement;
 
 class LayoutSliderThumb final : public LayoutBlockFlow {
  public:
   LayoutSliderThumb(SliderThumbElement*);
   void UpdateAppearance(const ComputedStyle& parent_style);
 
  private:
   bool IsOfType(LayoutObjectType type) const override {
     return type == kLayoutObjectSliderThumb || LayoutBlockFlow::IsOfType(type);
   }
 };
 
 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutSliderThumb, IsSliderThumb());
 
 }  // namespace blink
 
 #endif  // LayoutSliderThumb_h