Drop unused includes from SVGLayoutStyle.h

Source/core/animation/ShadowStyleInterpolation.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "config.h"
 #include "core/animation/ShadowStyleInterpolation.h"
 
 #include "core/animation/ColorStyleInterpolation.h"
 #include "core/animation/LengthStyleInterpolation.h"
 #include "core/css/CSSPrimitiveValue.h"
+#include "core/css/CSSValueList.h"
 #include "core/css/CSSValuePool.h"
 #include "core/css/resolver/StyleBuilder.h"
 
 namespace blink {
 
 bool ShadowStyleInterpolation::canCreateFrom(const CSSValue& start, const CSSValue& end)
 {
     return start.isShadowValue() && end.isShadowValue()
         && toCSSShadowValue(start).style == toCSSShadowValue(end).style
         && toCSSShadowValue(start).color && toCSSShadowValue(end).color;
@@ skipping 51 matching lines @@
         for (size_t i = 0; i < toCSSValueList(start).length(); i++) {
             if (startList->item(i)->isShadowValue() && endList->item(i)->isShadowValue()
                 && toCSSShadowValue(startList->item(i))->style != toCSSShadowValue(endList->item(i))->style)
                 return true;
         }
     }
     return false;
 }
 
 } // namespace blink