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

third_party/WebKit/Source/core/css/resolver/StyleResolver.cpp

Index: third_party/WebKit/Source/core/css/resolver/StyleResolver.cpp
diff --git a/third_party/WebKit/Source/core/css/resolver/StyleResolver.cpp b/third_party/WebKit/Source/core/css/resolver/StyleResolver.cpp
index b772c04b72b73452db4e884edd2083f41b03a0e5..fb17ff7ff1f90aaca15378ef4ab4cb34b7b91343 100644
--- a/third_party/WebKit/Source/core/css/resolver/StyleResolver.cpp
+++ b/third_party/WebKit/Source/core/css/resolver/StyleResolver.cpp
@@ -1964,7 +1964,15 @@ bool StyleResolver::HasAuthorBorder(const StyleResolverState& state) {
             cached_ua_style->bottom_left_ ==
                 state.Style()->BorderBottomLeftRadius() &&
             cached_ua_style->bottom_right_ ==
-                state.Style()->BorderBottomRightRadius()));
+                state.Style()->BorderBottomRightRadius()) ||
+          !(cached_ua_style->border_left_width ==
+                state.Style()->BorderLeftWidth() &&
+            cached_ua_style->border_right_width ==
+                state.Style()->BorderRightWidth() &&
+            cached_ua_style->border_top_width ==
+                state.Style()->BorderTopWidth() &&
+            cached_ua_style->border_bottom_width ==
+                state.Style()->BorderBottomWidth()));
 }
 
 void StyleResolver::ApplyCallbackSelectors(StyleResolverState& state) {