Remove various Heap* types.

sky/engine/core/fetch/MemoryCache.h

 /*
     Copyright (C) 1998 Lars Knoll (knoll@mpi-hd.mpg.de)
     Copyright (C) 2001 Dirk Mueller <mueller@kde.org>
     Copyright (C) 2004, 2005, 2006, 2007, 2008 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
     version 2 of the License, or (at your option) any later version.
 
@@ skipping 259 matching lines @@
 
     // Lists just for live resources with decoded data. Access to this list is based off of painting the resource.
     // The lists are ordered by decode priority, with higher indices having higher priorities.
     MemoryCacheLRUList m_liveDecodedResources[MemoryCacheLiveResourcePriorityHigh + 1];
 
     // A URL-based map of all resources that are in the cache (including the freshest version of objects that are currently being
     // referenced by a Web page).
     typedef HashMap<String, OwnPtr<MemoryCacheEntry> > ResourceMap;
     ResourceMap m_resources;
 
-#if ENABLE(OILPAN)
-    // Unlike m_allResources, m_liveResources is a set of Resource objects which
-    // should not be deleted. m_allResources only contains on-cache Resource
-    // objects.
-    // FIXME: Can we remove manual lifetime management of Resource and this?
-    HeapHashSet<Member<Resource> > m_liveResources;
-    friend RawPtr<MemoryCache> replaceMemoryCacheForTesting(RawPtr<MemoryCache>);
-#endif
-
     friend class MemoryCacheTest;
 #ifdef MEMORY_CACHE_STATS
     Timer<MemoryCache> m_statsTimer;
 #endif
 };
 
 // Returns the global cache.
 MemoryCache* memoryCache();
 
 // Sets the global cache, used to swap in a test instance. Returns the old
 // MemoryCache object.
 PassOwnPtr<MemoryCache> replaceMemoryCacheForTesting(PassOwnPtr<MemoryCache>);
 
 }
 
 #endif