Schedule sibling invalidation sets for sibling insert/remove.

third_party/WebKit/Source/core/css/invalidation/StyleInvalidator.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef StyleInvalidator_h
 #define StyleInvalidator_h
 
 #include "core/css/invalidation/PendingInvalidations.h"
 #include "platform/heap/Handle.h"
 #include "wtf/Noncopyable.h"
 
 namespace blink {
 
 class Document;
 class Element;
 class HTMLSlotElement;
 class InvalidationSet;
 
 
 class StyleInvalidator {
     DISALLOW_NEW();
     WTF_MAKE_NONCOPYABLE(StyleInvalidator);
 public:
     StyleInvalidator();
     ~StyleInvalidator();
     void invalidate(Document&);
     void scheduleInvalidationSetsForElement(const InvalidationLists&, Element&);
+    void rescheduleSiblingInvalidationSetsForRemovedElement(Element& elementFrom, Element& elementTo, bool invalidateElementTo);
+    void scheduleDescendantsFromSiblingSets(Element&, const InvalidationSetVector& siblingSets);
     void clearInvalidation(Element&);
 
     DECLARE_TRACE();
 
 private:
     struct RecursionData {
         RecursionData()
             : m_invalidateCustomPseudo(false)
             , m_wholeSubtreeInvalid(false)
             , m_treeBoundaryCrossing(false)
@@ skipping 93 matching lines @@
     using PendingInvalidationMap = HeapHashMap<Member<Element>, OwnPtr<PendingInvalidations>>;
 
     PendingInvalidations& ensurePendingInvalidations(Element&);
 
     PendingInvalidationMap m_pendingInvalidationMap;
 };
 
 } // namespace blink
 
 #endif // StyleInvalidator_h