[XHR] Delete an incorrect ASSERT

Source/core/fetch/Resource.cpp

 /*
     Copyright (C) 1998 Lars Knoll (knoll@mpi-hd.mpg.de)
     Copyright (C) 2001 Dirk Mueller (mueller@kde.org)
     Copyright (C) 2002 Waldo Bastian (bastian@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 713 matching lines @@
             continue;
         m_response.setHTTPHeaderField(it->key, it->value);
     }
 }
 
 void Resource::revalidationSucceeded(const ResourceResponse& response)
 {
     ASSERT(m_resourceToRevalidate);
     ASSERT(!memoryCache()->contains(m_resourceToRevalidate));
     ASSERT(m_resourceToRevalidate->isLoaded());
-    ASSERT(memoryCache()->contains(this));
 
     // Calling evict() can potentially delete revalidatingResource, which we use
     // below. This mustn't be the case since revalidation means it is loaded
     // and so canDelete() is false.
     ASSERT(!canDelete());
 
     m_resourceToRevalidate->updateResponseAfterRevalidation(response);
     memoryCache()->replace(m_resourceToRevalidate, this);
 
     switchClientsToRevalidatedResource();
@@ skipping 249 matching lines @@
         return "ImportResource";
     case Resource::Media:
         return "Media";
     }
     ASSERT_NOT_REACHED();
     return "Unknown";
 }
 #endif // !LOG_DISABLED
 
 }