Remove unused includes from core/html .cpp files

Source/core/html/shadow/MeterShadowElement.cpp

 /*
  * Copyright (C) 2011 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.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 16 matching lines @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "config.h"
 
 #include "core/html/shadow/MeterShadowElement.h"
 
 #include "CSSPropertyNames.h"
 #include "HTMLNames.h"
-#include "core/css/StylePropertySet.h"
-#include "core/dom/shadow/ShadowRoot.h"
 #include "core/html/HTMLMeterElement.h"
 #include "core/rendering/RenderMeter.h"
 #include "core/rendering/RenderTheme.h"
 
 namespace WebCore {
 
 using namespace HTMLNames;
 
 MeterShadowElement::MeterShadowElement(Document* document) 
     : HTMLDivElement(HTMLNames::divTag, document)
@@ skipping 54 matching lines @@
         return optimumPseudoId;
     }
 }
 
 void MeterValueElement::setWidthPercentage(double width)
 {
     setInlineStyleProperty(CSSPropertyWidth, width, CSSPrimitiveValue::CSS_PERCENTAGE);
 }
 
 }