Move border-*-width out of BorderValue and store on SurroundData in ComputedStyle instead

third_party/WebKit/Source/core/layout/LayoutBox.cpp

Index: third_party/WebKit/Source/core/layout/LayoutBox.cpp
diff --git a/third_party/WebKit/Source/core/layout/LayoutBox.cpp b/third_party/WebKit/Source/core/layout/LayoutBox.cpp
index dbf533cd0cb10eed0c1323ae9409b1a2c23b8edd..76de0966b1db2f518a408d7002cdb319225572b1 100644
--- a/third_party/WebKit/Source/core/layout/LayoutBox.cpp
+++ b/third_party/WebKit/Source/core/layout/LayoutBox.cpp
@@ -338,7 +338,7 @@ void LayoutBox::StyleDidChange(StyleDifference diff,
       // The overflow clip paint property depends on border sizes through
       // overflowClipRect(), and border radii, so we update properties on
       // border size or radii change.
-      if (!old_style->Border().SizeEquals(new_style.Border()) ||
+      if (!old_style->BorderSizeEquals(new_style) ||
           !old_style->RadiiEqual(new_style))
         SetNeedsPaintPropertyUpdate();
     }