Mark ResourceClient/ImageResourceObserver finished just before notifying

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 229 matching lines @@
     // 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&);
 
 protected:
     Resource(const ResourceRequest&, Type, const ResourceLoaderOptions&);
 
-    virtual void checkNotify();
+    enum class MarkFinishedOption {
+        ShouldMarkFinished,
+        DoNotMarkFinished
+    };
+    // MarkFinishedOption controls whether clients/observers are marked as
+    // finished when notified of finish.
+    virtual void checkNotify(MarkFinishedOption);
+    void markClientFinished(ResourceClient*);
 
     virtual void destroyDecodedDataForFailedRevalidation() { }
 
     void setEncodedSize(size_t);
     void setDecodedSize(size_t);
     void didAccessDecodedData();
 
     void finishPendingClients();
 
     virtual void didAddClient(ResourceClient*);
@@ skipping 15 matching lines @@
         }
 
         ResourceRequest m_request;
         ResourceResponse m_redirectResponse;
     };
     const Vector<RedirectPair>& redirectChain() const { return m_redirectChain; }
 
     virtual bool isSafeToUnlock() const { return false; }
     virtual void destroyDecodedDataIfPossible() { }
 
-    virtual void markClientsAndObserversFinished();
-
     // Returns the memory dump name used for tracing. See Resource::onMemoryDump.
     String getMemoryDumpName() const;
 
     const HashCountedSet<ResourceClient*>& clients() const { return m_clients; }
     DataBufferingPolicy dataBufferingPolicy() const { return m_options.dataBufferingPolicy; }
 
     void setCachePolicyBypassingCache();
     void setLoFiStateOff();
 
     RefPtr<SharedBuffer> m_data;
@@ skipping 75 matching lines @@
 
     Resource::Type m_type;
 };
 
 #define DEFINE_RESOURCE_TYPE_CASTS(typeName) \
     DEFINE_TYPE_CASTS(typeName##Resource, Resource, resource, resource->getType() == Resource::typeName, resource.getType() == Resource::typeName);
 
 } // namespace blink
 
 #endif