Merge 92143 - .: REGRESSION (r39725?): Resources removed from document can not be freed until the...

Source/WebCore/loader/cache/CachedResourceLoader.h

 /*
     Copyright (C) 1998 Lars Knoll (knoll@mpi-hd.mpg.de)
     Copyright (C) 2001 Dirk Mueller <mueller@kde.org>
     Copyright (C) 2004, 2005, 2006 Apple Computer, Inc.
     Copyright (C) 2009 Torch Mobile Inc. http://www.torchmobile.com/
 
     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 12 matching lines @@
     pages from the web. It has a memory cache for these objects.
 */
 
 #ifndef CachedResourceLoader_h
 #define CachedResourceLoader_h
 
 #include "CachedResource.h"
 #include "CachedResourceHandle.h"
 #include "CachePolicy.h"
 #include "ResourceLoadPriority.h"
+#include "Timer.h"
 #include <wtf/Deque.h>
 #include <wtf/HashMap.h>
 #include <wtf/HashSet.h>
 #include <wtf/ListHashSet.h>
 #include <wtf/text/StringHash.h>
 
 namespace WebCore {
 
 class CachedCSSStyleSheet;
 class CachedFont;
@@ skipping 67 matching lines @@
     CachedResource* revalidateResource(CachedResource*, ResourceLoadPriority priority);
     CachedResource* loadResource(CachedResource::Type, ResourceRequest&, const String& charset, ResourceLoadPriority);
     void requestPreload(CachedResource::Type, ResourceRequest& url, const String& charset);
 
     enum RevalidationPolicy { Use, Revalidate, Reload, Load };
     RevalidationPolicy determineRevalidationPolicy(CachedResource::Type, ResourceRequest&, bool forPreload, CachedResource* existingResource) const;
     
     void notifyLoadedFromMemoryCache(CachedResource*);
     bool canRequest(CachedResource::Type, const KURL&, bool forPreload = false);
 
+    void garbageCollectDocumentResourcesTimerFired(Timer<CachedResourceLoader>*);
     void performPostLoadActions();
     
     HashSet<String> m_validatedURLs;
     mutable DocumentResourceMap m_documentResources;
     Document* m_document;
     
     int m_requestCount;
     
     OwnPtr<ListHashSet<CachedResource*> > m_preloads;
     struct PendingPreload {
         CachedResource::Type m_type;
         ResourceRequest m_request;
         String m_charset;
     };
     Deque<PendingPreload> m_pendingPreloads;
 
+    Timer<CachedResourceLoader> m_garbageCollectDocumentResourcesTimer;
+
     //29 bits left
     bool m_autoLoadImages : 1;
     bool m_loadFinishing : 1;
     bool m_allowStaleResources : 1;
 };
 
 class ResourceCacheValidationSuppressor {
     WTF_MAKE_NONCOPYABLE(ResourceCacheValidationSuppressor);
     WTF_MAKE_FAST_ALLOCATED;
 public:
@@ skipping 12 matching lines @@
             m_loader->m_allowStaleResources = m_previousState;
     }
 private:
     CachedResourceLoader* m_loader;
     bool m_previousState;
 };
 
 } // namespace WebCore
 
 #endif