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 b444f085dec4cc13af15ad17437124e04d3f59c5..f9f405d86e9d999b182dfad48e93f31f0b764593 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();
     }