Remove unused functions from RenderStyle.

Source/core/rendering/style/RenderStyle.cpp

 /*
  * Copyright (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2011 Adobe Systems Incorporated. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
@@ skipping 1268 matching lines @@
             continue;
         float blurAndSpread = shadow.blur() + shadow.spread();
 
         top = std::min<LayoutUnit>(top, shadow.y() - blurAndSpread);
         right = std::max<LayoutUnit>(right, shadow.x() + blurAndSpread);
         bottom = std::max<LayoutUnit>(bottom, shadow.y() + blurAndSpread);
         left = std::min<LayoutUnit>(left, shadow.x() - blurAndSpread);
     }
 }
 
-LayoutBoxExtent RenderStyle::getShadowInsetExtent(const ShadowList* shadowList) const
-{
-    LayoutUnit top = 0;
-    LayoutUnit right = 0;
-    LayoutUnit bottom = 0;
-    LayoutUnit left = 0;
-
-    size_t shadowCount = shadowList ? shadowList->shadows().size() : 0;
-    for (size_t i = 0; i < shadowCount; ++i) {
-        const ShadowData& shadow = shadowList->shadows()[i];
-        if (shadow.style() == Normal)
-            continue;
-        float blurAndSpread = shadow.blur() + shadow.spread();
-        top = std::max<LayoutUnit>(top, shadow.y() + blurAndSpread);
-        right = std::min<LayoutUnit>(right, shadow.x() - blurAndSpread);
-        bottom = std::min<LayoutUnit>(bottom, shadow.y() - blurAndSpread);
-        left = std::max<LayoutUnit>(left, shadow.x() + blurAndSpread);
-    }
-
-    return LayoutBoxExtent(top, right, bottom, left);
-}
-
 void RenderStyle::getShadowHorizontalExtent(const ShadowList* shadowList, LayoutUnit &left, LayoutUnit &right) const
 {
     left = 0;
     right = 0;
 
     size_t shadowCount = shadowList ? shadowList->shadows().size() : 0;
     for (size_t i = 0; i < shadowCount; ++i) {
         const ShadowData& shadow = shadowList->shadows()[i];
         if (shadow.style() == Inset)
             continue;
@@ skipping 389 matching lines @@
         horizontal || includeLogicalRightEdge);
 
     edges[BSLeft] = BorderEdge(borderLeftWidth(),
         visitedDependentColor(CSSPropertyBorderLeftColor),
         borderLeftStyle(),
         borderLeftIsTransparent(),
         !horizontal || includeLogicalLeftEdge);
 }
 
 } // namespace blink