Make ResourceFetcher::m_documentResources use WeakPtr

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
     version 2 of the License, or (at your option) any later version.
@@ skipping 247 matching lines @@
 
     virtual bool canReuse(const ResourceRequest&) const { return true; }
 
     // Used by the MemoryCache to reduce the memory consumption of the entry.
     void prune();
 
     virtual void onMemoryDump(WebMemoryDumpLevelOfDetail, WebProcessMemoryDump*) const;
 
     static const char* resourceTypeToString(Type, const FetchInitiatorInfo&);
 
+    WeakPtrWillBeRawPtr<Resource> asWeakPtr();

[sof, 2015/12/15 12:29:43]

Add a TODO about removing this once Oilpan ships?

[Nate Chapin, 2015/12/15 20:30:59]

Done.

+
 #ifdef ENABLE_RESOURCE_IS_DELETED_CHECK
     void assertAlive() const { RELEASE_ASSERT(!m_deleted); }
 #else
     void assertAlive() const { }
 #endif
 
 protected:
     virtual void checkNotify();
     virtual void finishOnePart();
 
@@ skipping 97 matching lines @@
     bool unlock();
 
     bool hasRightHandleCountApartFromCache(unsigned targetCount) const;
 
     void setCachedMetadata(unsigned dataTypeID, const char*, size_t, CachedMetadataHandler::CacheType);
     void clearCachedMetadata(CachedMetadataHandler::CacheType);
     CachedMetadata* cachedMetadata(unsigned dataTypeID) const;
 
     String m_fragmentIdentifierForRequest;
 
+#if !ENABLE(OILPAN)
+    WeakPtrFactory<Resource> m_weakPtrFactory;
+#endif
+
     RefPtr<CachedMetadata> m_cachedMetadata;
     OwnPtrWillBeMember<CacheHandler> m_cacheHandler;
 
     ResourceError m_error;
 
     double m_loadFinishTime;
 
     unsigned long m_identifier;
 
     size_t m_encodedSize;
@@ skipping 44 matching lines @@
 const char* ResourceTypeName(Resource::Type);
 #endif
 
 #define DEFINE_RESOURCE_TYPE_CASTS(typeName) \
     DEFINE_TYPE_CASTS(typeName##Resource, Resource, resource, resource->type() == Resource::typeName, resource.type() == Resource::typeName); \
     inline typeName##Resource* to##typeName##Resource(const ResourcePtr<Resource>& ptr) { return to##typeName##Resource(ptr.get()); }
 
 }
 
 #endif