Remove some unused code

Source/core/style/ShadowList.cpp

 /*
  * Copyright (C) 2013 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 29 matching lines @@
 {
     FloatRectOutsets outsets;
     for (const ShadowData& shadow : shadows()) {
         if (shadow.style() == Inset)
             continue;
         outsets.unite(shadow.rectOutsets());
     }
     return outsets;
 }
 
-void ShadowList::adjustRectForShadow(LayoutRect& rect) const
-{
-    rect.expand(rectOutsetsIncludingOriginal());
-}
-
 void ShadowList::adjustRectForShadow(FloatRect& rect) const
 {
     rect.expand(rectOutsetsIncludingOriginal());
 }
 
 PassRefPtr<ShadowList> ShadowList::blend(const ShadowList* from, const ShadowList* to, double progress, const Color& currentColor)
 {
     size_t fromLength = from ? from->shadows().size() : 0;
     size_t toLength = to ? to->shadows().size() : 0;
     if (!fromLength && !toLength)
@@ skipping 26 matching lines @@
         float shadowX = isHorizontal ? shadow.x() : shadow.y();
         float shadowY = isHorizontal ? shadow.y() : -shadow.x();
         drawLooperBuilder->addShadow(FloatSize(shadowX, shadowY), shadow.blur(), shadow.color().resolve(currentColor),
             DrawLooperBuilder::ShadowRespectsTransforms, alphaMode);
     }
     drawLooperBuilder->addUnmodifiedContent();
     return drawLooperBuilder.release();
 }
 
 } // namespace blink