Store border-*-style on SurroundData in ComputedStyle

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

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 2004-2005 Allan Sandfeld Jensen (kde@carewolf.com)
  * Copyright (C) 2006, 2007 Nicholas Shanks (webkit@nickshanks.com)
  * Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 Apple Inc.
  * All rights reserved.
  * Copyright (C) 2007 Alexey Proskuryakov <ap@webkit.org>
  * Copyright (C) 2007, 2008 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved.
  * (http://www.torchmobile.com/)
@@ skipping 1941 matching lines @@
 
   return (old_fill != new_fill || cached_ua_style->background_color !=
                                       state.Style()->BackgroundColor());
 }
 
 bool StyleResolver::HasAuthorBorder(const StyleResolverState& state) {
   const CachedUAStyle* cached_ua_style = state.GetCachedUAStyle();
   return cached_ua_style &&
          (cached_ua_style->border != state.Style()->Border() ||
           !cached_ua_style->BorderColorEquals(*state.Style()) ||
-          (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()) ||
-          !(cached_ua_style->top_left_ ==
-                state.Style()->BorderTopLeftRadius() &&
-            cached_ua_style->top_right_ ==
-                state.Style()->BorderTopRightRadius() &&
-            cached_ua_style->bottom_left_ ==
-                state.Style()->BorderBottomLeftRadius() &&
-            cached_ua_style->bottom_right_ ==
-                state.Style()->BorderBottomRightRadius()));
+          !cached_ua_style->BorderWidthEquals(*state.Style()) ||
+          !cached_ua_style->BorderRadiiEquals(*state.Style()) ||
+          !cached_ua_style->BorderStyleEquals(*state.Style()));
 }
 
 void StyleResolver::ApplyCallbackSelectors(StyleResolverState& state) {
   RuleSet* watched_selectors_rule_set =
       GetDocument().GetStyleEngine().WatchedSelectorsRuleSet();
   if (!watched_selectors_rule_set)
     return;
 
   ElementRuleCollector collector(state.ElementContext(), selector_filter_,
                                  state.Style());
@@ skipping 47 matching lines @@
 
 DEFINE_TRACE(StyleResolver) {
   visitor->Trace(matched_properties_cache_);
   visitor->Trace(selector_filter_);
   visitor->Trace(style_sharing_lists_);
   visitor->Trace(document_);
   visitor->Trace(tracker_);
 }
 
 }  // namespace blink