Convert animation and renderer code to know about BorderImageLength

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 1592 matching lines @@
     surround.access()->border.m_image.setImage(image);
 }
 
 void RenderStyle::setBorderImageSlices(LengthBox slices)
 {
     if (surround->border.m_image.imageSlices() == slices)
         return;
     surround.access()->border.m_image.setImageSlices(slices);
 }
 
-void RenderStyle::setBorderImageWidth(LengthBox slices)
+void RenderStyle::setBorderImageWidth(LengthOrNumberBox slices)
 {
-    if (surround->border.m_image.borderSlices().lengthBox() == slices)
+    if (surround->border.m_image.borderSlices() == slices)
         return;
-    surround.access()->border.m_image.setBorderSlices(LengthOrNumberBox(slices));
+    surround.access()->border.m_image.setBorderSlices(slices);
 }
 
-void RenderStyle::setBorderImageOutset(LengthBox outset)
+void RenderStyle::setBorderImageOutset(LengthOrNumberBox outset)
 {
-    if (surround->border.m_image.outset().lengthBox() == outset)
+    if (surround->border.m_image.outset() == outset)
         return;
-    surround.access()->border.m_image.setOutset(LengthOrNumberBox(outset));
+    surround.access()->border.m_image.setOutset(outset);
 }
 
 ShapeValue* RenderStyle::initialShapeInside()
 {
     DEFINE_STATIC_LOCAL(RefPtr<ShapeValue>, sOutsideValue, (ShapeValue::createOutsideValue()));
     return sOutsideValue.get();
 }
 
 } // namespace WebCore