Clear StyleResolverState after each resolve.

Source/core/css/resolver/StyleResolver.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. 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.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 105 matching lines @@
         // Now that we're about to read from the RuleSet, we're done adding more
         // rules to the set and we should make sure it's compacted.
         ruleSet->compactRulesIfNeeded();
     }
 
     const RuleSet* ruleSet;
     const bool includeEmptyRules;
     const ContainerNode* scope;
 };
 
+struct CSSPropertyValue {
+    CSSPropertyValue(CSSPropertyID property, CSSValue* value)
+        : property(property), value(value) { }
+    // Stores value=propertySet.getPropertyCSSValue(id).get().
+    CSSPropertyValue(CSSPropertyID, const StylePropertySet&);
+    CSSPropertyID property;
+    CSSValue* value;
+};
+
 // This class selects a RenderStyle for a given element based on a collection of stylesheets.
 class StyleResolver {
     WTF_MAKE_NONCOPYABLE(StyleResolver); WTF_MAKE_FAST_ALLOCATED;
 public:
     StyleResolver(Document*, bool matchAuthorAndUserStyles);
     ~StyleResolver();
 
     // Using these during tree walk will allow style selector to optimize child and descendant selector lookups.
     void pushParentElement(Element*);
     void popParentElement(Element*);
@@ skipping 38 matching lines @@
 private:
     // FIXME: Move all of these into a separate style sharing controller object.
     RenderStyle* locateSharedStyle(const ElementResolveContext&);
     bool styleSharingCandidateMatchesRuleSet(RuleSet*);
     Node* locateCousinList(Element* parent, unsigned& visitedNodeCount) const;
     Element* findSiblingForStyleSharing(const ElementResolveContext&, Node*, unsigned& count) const;
     bool canShareStyleWithElement(const ElementResolveContext&, Element* sharingCandidate) const;
     bool canShareStyleWithControl(const ElementResolveContext&, Element* sharingCandidate) const;
     bool sharingCandidateHasIdenticalStyleAffectingAttributes(const ElementResolveContext&, Element* sharingCandidate) const;
 
-    PassRefPtr<RenderStyle> styleForKeyframe(const RenderStyle*, const StyleKeyframe*, KeyframeValue&);
+    PassRefPtr<RenderStyle> styleForKeyframe(Element*, const RenderStyle*, const StyleKeyframe*, KeyframeValue&);
 
 public:
     // These methods will give back the set of rules that matched for a given element (or a pseudo-element).
     enum CSSRuleFilter {
         UAAndUserCSSRules   = 1 << 1,
         AuthorCSSRules      = 1 << 2,
         EmptyCSSRules       = 1 << 3,
         CrossOriginCSSRules = 1 << 4,
         AllButEmptyCSSRules = UAAndUserCSSRules | AuthorCSSRules | CrossOriginCSSRules,
         AllCSSRules         = AllButEmptyCSSRules | EmptyCSSRules,
     };
     PassRefPtr<CSSRuleList> styleRulesForElement(Element*, unsigned rulesToInclude = AllButEmptyCSSRules);
     PassRefPtr<CSSRuleList> pseudoStyleRulesForElement(Element*, PseudoId, unsigned rulesToInclude = AllButEmptyCSSRules);
 
 public:
-    void applyPropertyToStyle(CSSPropertyID, CSSValue*, RenderStyle*);
-
-    void applyPropertyToCurrentStyle(CSSPropertyID, CSSValue*);
+    // |properties| is an array with |count| elements.
+    void applyPropertiesToStyle(const CSSPropertyValue* properties, size_t count, RenderStyle*);
 
     void updateFont();
     void initializeFontStyle(Settings*);
     void setFontSize(FontDescription&, float size);
 
 public:
     bool hasSelectorForId(const AtomicString&) const;
     bool hasSelectorForClass(const AtomicString&) const;
     bool hasSelectorForAttribute(const AtomicString&) const;
 
@@ skipping 149 matching lines @@
         PseudoId ignoreDynamicPseudo = NOPSEUDO;
         if (selectorChecker.match(selectorCheckingContext, ignoreDynamicPseudo, DOMSiblingTraversalStrategy()) == SelectorChecker::SelectorMatches)
             return true;
     }
     return false;
 }
 
 } // namespace WebCore
 
 #endif // StyleResolver_h