Wait to notify completion until after a Lo-Fi image is reloaded.

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 356 matching lines @@
 
   SharedBuffer* data() const { return m_data.get(); }
   void clearData() { m_data.clear(); }
 
   class ProhibitAddRemoveClientInScope : public AutoReset<bool> {
    public:
     ProhibitAddRemoveClientInScope(Resource* resource)
         : AutoReset(&resource->m_isAddRemoveClientProhibited, true) {}
   };
 
+  class ProhibitNotifyClientsOfCompletionInScope : public AutoReset<bool> {
+   public:
+    ProhibitNotifyClientsOfCompletionInScope(Resource* resource)
+        : AutoReset(&resource->m_isNotifyClientsOfCompletionProhibited, true) {}
+  };
+
+  bool isNotifyClientsOfCompletionProhibited() const {
+    return m_isNotifyClientsOfCompletionProhibited;
+  }
+
  private:
   class ResourceCallback;
   class CachedMetadataHandlerImpl;
   class ServiceWorkerResponseCachedMetadataHandler;
 
   void cancelTimerFired(TimerBase*);
 
   void revalidationSucceeded(const ResourceResponse&);
   void revalidationFailed();
 
@@ skipping 35 matching lines @@
   unsigned m_needsSynchronousCacheHit : 1;
   unsigned m_linkPreload : 1;
   bool m_isRevalidating : 1;
   bool m_isAlive : 1;
 
   ResourceIntegrityDisposition m_integrityDisposition;
   IntegrityMetadataSet m_integrityMetadata;
 
   bool m_isAddRemoveClientProhibited;
 
+  bool m_isNotifyClientsOfCompletionProhibited;
+
   // Ordered list of all redirects followed while fetching this resource.
   Vector<RedirectPair> m_redirectChain;
 
   HeapHashCountedSet<WeakMember<ResourceClient>> m_clients;
   HeapHashCountedSet<WeakMember<ResourceClient>> m_clientsAwaitingCallback;
   HeapHashCountedSet<WeakMember<ResourceClient>> m_finishedClients;
 
   ResourceLoaderOptions m_options;
 
   double m_responseTimestamp;
@@ skipping 23 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