Apply RuleSet changes for active stylesheet changes.

third_party/WebKit/Source/core/css/resolver/ScopedStyleResolver.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.
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
@@ skipping 10 matching lines @@
  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
  * DAMAGE.
  */
 
 #ifndef ScopedStyleResolver_h
 #define ScopedStyleResolver_h
 
+#include "core/css/ActiveStyleSheets.h"
 #include "core/css/ElementRuleCollector.h"
 #include "core/css/RuleSet.h"
 #include "core/dom/TreeScope.h"
 #include "wtf/HashMap.h"
 #include "wtf/HashSet.h"
 
 namespace blink {
 
 class PageRuleCollector;
 class StyleSheetContents;
 class ViewportStyleResolver;
 
 // This class selects a ComputedStyle for a given element based on a collection of stylesheets.
 class ScopedStyleResolver final : public GarbageCollected<ScopedStyleResolver> {
   WTF_MAKE_NONCOPYABLE(ScopedStyleResolver);
 
  public:
   static ScopedStyleResolver* create(TreeScope& scope) {
     return new ScopedStyleResolver(scope);
   }
 
   const TreeScope& treeScope() const { return *m_scope; }
   ScopedStyleResolver* parent() const;
 
   StyleRuleKeyframes* keyframeStylesForAnimation(
       const StringImpl* animationName);
 
   void appendCSSStyleSheet(CSSStyleSheet&, const MediaQueryEvaluator&);
+  void appendActiveStyleSheets(unsigned index, const ActiveStyleSheetVector&);
   void collectMatchingAuthorRules(ElementRuleCollector&,
                                   CascadeOrder = ignoreCascadeOrder);
   void collectMatchingShadowHostRules(ElementRuleCollector&,
                                       CascadeOrder = ignoreCascadeOrder);
   void collectMatchingTreeBoundaryCrossingRules(
       ElementRuleCollector&,
       CascadeOrder = ignoreCascadeOrder);
   void matchPageRules(PageRuleCollector&);
   void collectFeaturesTo(RuleFeatureSet&,
                          HeapHashSet<Member<const StyleSheetContents>>&
                              visitedSharedStyleSheetContents) const;
   void resetAuthorStyle();
   void collectViewportRulesTo(ViewportStyleResolver*) const;
   bool hasDeepOrShadowSelector() const { return m_hasDeepOrShadowSelector; }
   void setHasUnresolvedKeyframesRule() { m_hasUnresolvedKeyframesRule = true; }
   static void keyframesRulesAdded(const TreeScope&);
+  static ContainerNode& invalidationRootForTreeScope(const TreeScope&);
 
   DECLARE_TRACE();
 
  private:
   explicit ScopedStyleResolver(TreeScope& scope) : m_scope(scope) {}
 
   void addTreeBoundaryCrossingRules(const RuleSet&,
                                     CSSStyleSheet*,
                                     unsigned sheetIndex);
   void addKeyframeRules(const RuleSet&);
@@ skipping 29 matching lines @@
   using CSSStyleSheetRuleSubSet = HeapVector<Member<RuleSubSet>>;
 
   Member<CSSStyleSheetRuleSubSet> m_treeBoundaryCrossingRuleSet;
   bool m_hasDeepOrShadowSelector = false;
   bool m_hasUnresolvedKeyframesRule = false;
 };
 
 }  // namespace blink
 
 #endif  // ScopedStyleResolver_h