Revert of [Invalidation Tracking] Trace StyleInvalidator setNeedsStyleRecalc

Source/core/css/invalidation/DescendantInvalidationSet.h

 /*
  * Copyright (C) 2014 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 24 matching lines @@
 #include "wtf/Forward.h"
 #include "wtf/HashSet.h"
 #include "wtf/RefCounted.h"
 #include "wtf/RefPtr.h"
 #include "wtf/text/AtomicStringHash.h"
 #include "wtf/text/StringHash.h"
 
 namespace blink {
 
 class Element;
-class TracedValue;
 
 // Tracks data to determine which elements of a DOM subtree need to have style
 // recalculated.
 class DescendantInvalidationSet FINAL : public RefCountedWillBeGarbageCollected<DescendantInvalidationSet> {
 public:
     static PassRefPtrWillBeRawPtr<DescendantInvalidationSet> create()
     {
         return adoptRefWillBeNoop(new DescendantInvalidationSet);
     }
 
@@ skipping 12 matching lines @@
     void setTreeBoundaryCrossing() { m_treeBoundaryCrossing = true; }
     bool treeBoundaryCrossing() const { return m_treeBoundaryCrossing; }
 
     void setCustomPseudoInvalid() { m_customPseudoInvalid = true; }
     bool customPseudoInvalid() const { return m_customPseudoInvalid; }
 
     bool isEmpty() const { return !m_classes && !m_ids && !m_tagNames && !m_attributes; }
 
     void trace(Visitor*);
 
-    void toTracedValue(TracedValue*) const;
-
 #ifndef NDEBUG
     void show() const;
 #endif
 
 private:
     DescendantInvalidationSet();
 
     WillBeHeapHashSet<AtomicString>& ensureClassSet();
     WillBeHeapHashSet<AtomicString>& ensureIdSet();
     WillBeHeapHashSet<AtomicString>& ensureTagNameSet();
@@ skipping 11 matching lines @@
     // If true, all descendants which are custom pseudo elements must be invalidated.
     unsigned m_customPseudoInvalid : 1;
 
     // If true, the invalidation must traverse into ShadowRoots with this set.
     unsigned m_treeBoundaryCrossing : 1;
 };
 
 } // namespace blink
 
 #endif // DescendantInvalidationSet_h