[WeakMemoryCache 1a] Make Reference from Inspector to Resource weak, remove removedFromMemoryCache()

third_party/WebKit/Source/core/fetch/CSSStyleSheetResource.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 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 56 matching lines @@
             : ResourceFactory(Resource::CSSStyleSheet) { }
 
         Resource* create(const ResourceRequest& request, const ResourceLoaderOptions& options, const String& charset) const override
         {
             return new CSSStyleSheetResource(request, options, charset);
         }
     };
     CSSStyleSheetResource(const ResourceRequest&, const ResourceLoaderOptions&, const String& charset);
 
     bool canUseSheet(MIMETypeCheck) const;
-    void removedFromMemoryCache() override;
     void checkNotify() override;
+    void willDestroyResourceInternal() override;
+
+    void setParsedStyleSheetCache(StyleSheetContents*);
 
     String m_decodedSheetText;
 
     Member<StyleSheetContents> m_parsedStyleSheetCache;
 };
 
 DEFINE_RESOURCE_TYPE_CASTS(CSSStyleSheet);
 
 } // namespace blink
 
 #endif