[Fetch, Loader] Expect on-heap objects will never get destroyed with a reference

third_party/WebKit/Source/core/fetch/Resource.h

 /*
     Copyright (C) 1998 Lars Knoll (knoll@mpi-hd.mpg.de)
     Copyright (C) 2001 Dirk Mueller <mueller@kde.org>
     Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com)
     Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All
     rights reserved.
 
     This library is free software; you can redistribute it and/or
     modify it under the terms of the GNU Library General Public
     License as published by the Free Software Foundation; either
@@ skipping 309 matching lines @@
 
   void setEncodedSize(size_t);
   void setDecodedSize(size_t);
   void didAccessDecodedData();
 
   void finishPendingClients();
 
   virtual void didAddClient(ResourceClient*);
   void willAddClientOrObserver(PreloadReferencePolicy);
 
-  // |this| object may be dead after didRemoveClientOrObserver().
   void didRemoveClientOrObserver();
   virtual void allClientsAndObserversRemoved();
 
   bool hasClient(ResourceClient* client) {
     return m_clients.contains(client) ||
            m_clientsAwaitingCallback.contains(client) ||
            m_finishedClients.contains(client);
   }
 
   struct RedirectPair {
@@ skipping 124 matching lines @@
 };
 
 #define DEFINE_RESOURCE_TYPE_CASTS(typeName)                   \
   DEFINE_TYPE_CASTS(typeName##Resource, Resource, resource,    \
                     resource->getType() == Resource::typeName, \
                     resource.getType() == Resource::typeName);
 
 }  // namespace blink
 
 #endif