Remove preload support from the MemoryCache

sky/engine/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 102 matching lines @@
     const ResourceLoaderOptions& options() const { return m_options; }
     void setOptions(const ResourceLoaderOptions& options) { m_options = options; }
 
     void didChangePriority(ResourceLoadPriority, int intraPriorityValue);
 
     void addClient(ResourceClient*);
     void removeClient(ResourceClient*);
     bool hasClients() const { return !m_clients.isEmpty() || !m_clientsAwaitingCallback.isEmpty(); }
     bool deleteIfPossible();
 
-    enum PreloadResult {
-        PreloadNotReferenced,
-        PreloadReferenced,
-        PreloadReferencedWhileLoading,
-        PreloadReferencedWhileComplete
-    };
-    PreloadResult preloadResult() const { return static_cast<PreloadResult>(m_preloadResult); }
-
     virtual void didAddClient(ResourceClient*);
     virtual void didRemoveClient(ResourceClient*) { }
     virtual void allClientsRemoved();
 
     unsigned count() const { return m_clients.size(); }
 
     Status status() const { return static_cast<Status>(m_status); }
     void setStatus(Status status) { m_status = status; }
 
     size_t size() const { return encodedSize() + decodedSize() + overheadSize(); }
@@ skipping 43 matching lines @@
     AtomicString accept() const { return m_accept; }
     void setAccept(const AtomicString& accept) { m_accept = accept; }
 
     bool wasCanceled() const { return m_error.isCancellation(); }
     bool errorOccurred() const { return m_status == LoadError || m_status == DecodeError; }
     bool loadFailedOrCanceled() { return !m_error.isNull(); }
 
     DataBufferingPolicy dataBufferingPolicy() const { return m_options.dataBufferingPolicy; }
     void setDataBufferingPolicy(DataBufferingPolicy);
 
-    bool isUnusedPreload() const { return isPreloaded() && preloadResult() == PreloadNotReferenced; }
-    bool isPreloaded() const { return m_preloadCount; }
-    void increasePreloadCount() { ++m_preloadCount; }
-    void decreasePreloadCount() { ASSERT(m_preloadCount); --m_preloadCount; }
-
     void registerHandle(ResourcePtrBase* h);
     void unregisterHandle(ResourcePtrBase* h);
 
     bool mustRevalidateDueToCacheHeaders();
     bool canUseCacheValidator();
     bool isCacheValidator() const { return m_resourceToRevalidate; }
     Resource* resourceToRevalidate() const { return m_resourceToRevalidate; }
     void setResourceToRevalidate(Resource*);
     bool hasCacheControlNoStoreHeader();
 
@@ skipping 108 matching lines @@
 
     ResourceError m_error;
 
     double m_loadFinishTime;
 
     unsigned long m_identifier;
 
     size_t m_encodedSize;
     size_t m_decodedSize;
     unsigned m_handleCount;
-    unsigned m_preloadCount;
     unsigned m_protectorCount;
 
-    unsigned m_preloadResult : 2; // PreloadResult
     unsigned m_requestedFromNetworkingLayer : 1;
 
     unsigned m_loading : 1;
 
     unsigned m_switchingClientsToRevalidatedResource : 1;
 
     unsigned m_type : 4; // Type
     unsigned m_status : 3; // Status
 
     unsigned m_wasPurged : 1;
@@ skipping 24 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