CSS: Make ~InvalidationSet protected

third_party/WebKit/Source/core/css/invalidation/InvalidationSet.cpp

 /*
  * 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 35 matching lines @@
 #define TRACE_STYLE_INVALIDATOR_INVALIDATION_SELECTORPART_IF_ENABLED(element, reason, invalidationSet, singleSelectorPart) \
     if (UNLIKELY(*s_tracingEnabled)) \
         TRACE_STYLE_INVALIDATOR_INVALIDATION_SELECTORPART(element, reason, invalidationSet, singleSelectorPart);
 
 void InvalidationSet::cacheTracingFlag()
 {
     s_tracingEnabled = TRACE_EVENT_API_GET_CATEGORY_GROUP_ENABLED(TRACE_DISABLED_BY_DEFAULT("devtools.timeline.invalidationTracking"));
 }
 
 InvalidationSet::InvalidationSet(InvalidationType type)
-    : m_type(type)
+    : m_refCount(1)
+    , m_type(type)
     , m_allDescendantsMightBeInvalid(false)
     , m_invalidatesSelf(false)
     , m_customPseudoInvalid(false)
     , m_treeBoundaryCrossing(false)
     , m_insertionPointCrossing(false)
     , m_invalidatesSlotted(false)
     , m_isAlive(true)
 {
 }
 
@@ skipping 247 matching lines @@
 }
 
 DescendantInvalidationSet& SiblingInvalidationSet::ensureDescendants()
 {
     if (!m_descendantInvalidationSet)
         m_descendantInvalidationSet = DescendantInvalidationSet::create();
     return *m_descendantInvalidationSet;
 }
 
 } // namespace blink