Use RefPtr for MutationObserver in MutationObserverInterestGroup.

third_party/WebKit/Source/core/dom/Node.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
@@ skipping 1838 matching lines @@
 {
     if (!hasRareData())
         return nullptr;
     NodeMutationObserverData* data = rareData()->mutationObserverData();
     if (!data)
         return nullptr;
     return &data->transientRegistry;
 }
 
 template<typename Registry>
-static inline void collectMatchingObserversForMutation(WillBeHeapHashMap<RawPtrWillBeMember<MutationObserver>, MutationRecordDeliveryOptions>& observers, Registry* registry, Node& target, MutationObserver::MutationType type, const QualifiedName* attributeName)
+static inline void collectMatchingObserversForMutation(WillBeHeapHashMap<RefPtrWillBeMember<MutationObserver>, MutationRecordDeliveryOptions>& observers, Registry* registry, Node& target, MutationObserver::MutationType type, const QualifiedName* attributeName)
 {
     if (!registry)
         return;
 
     for (const auto& registration : *registry) {
         if (registration->shouldReceiveMutationFrom(target, type, attributeName)) {
             MutationRecordDeliveryOptions deliveryOptions = registration->deliveryOptions();
-            WillBeHeapHashMap<RawPtrWillBeMember<MutationObserver>, MutationRecordDeliveryOptions>::AddResult result = observers.add(&registration->observer(), deliveryOptions);
+            WillBeHeapHashMap<RefPtrWillBeMember<MutationObserver>, MutationRecordDeliveryOptions>::AddResult result = observers.add(&registration->observer(), deliveryOptions);
             if (!result.isNewEntry)
                 result.storedValue->value |= deliveryOptions;
         }
     }
 }
 
-void Node::getRegisteredMutationObserversOfType(WillBeHeapHashMap<RawPtrWillBeMember<MutationObserver>, MutationRecordDeliveryOptions>& observers, MutationObserver::MutationType type, const QualifiedName* attributeName)
+void Node::getRegisteredMutationObserversOfType(WillBeHeapHashMap<RefPtrWillBeMember<MutationObserver>, MutationRecordDeliveryOptions>& observers, MutationObserver::MutationType type, const QualifiedName* attributeName)
 {
     ASSERT((type == MutationObserver::Attributes && attributeName) || !attributeName);
     collectMatchingObserversForMutation(observers, mutationObserverRegistry(), *this, type, attributeName);
     collectMatchingObserversForMutation(observers, transientMutationObserverRegistry(), *this, type, attributeName);
     ScriptForbiddenScope forbidScriptDuringRawIteration;
     for (Node* node = parentNode(); node; node = node->parentNode()) {
         collectMatchingObserversForMutation(observers, node->mutationObserverRegistry(), *this, type, attributeName);
         collectMatchingObserversForMutation(observers, node->transientMutationObserverRegistry(), *this, type, attributeName);
     }
 }
@@ skipping 483 matching lines @@
 
 void showNodePath(const blink::Node* node)
 {
     if (node)
         node->showNodePathForThis();
     else
         fprintf(stderr, "Cannot showNodePath for (nil)\n");
 }
 
 #endif