Remove unused includes from core/inspector, core/loader and core/page

Source/core/loader/cache/CachedXSLStyleSheet.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.
 
     This library is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     Library General Public License for more details.
 
     You should have received a copy of the GNU Library General Public License
     along with this library; see the file COPYING.LIB.  If not, write to
     the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     Boston, MA 02110-1301, USA.
 
     This class provides all functionality needed for loading images, style sheets and html
     pages from the web. It has a memory cache for these objects.
 */
 
 #ifndef CachedXSLStyleSheet_h
 #define CachedXSLStyleSheet_h
 
 #include "core/loader/cache/CachedResource.h"
-#include <wtf/Vector.h>
 
 namespace WebCore {
 
     class CachedResourceLoader;
     class TextResourceDecoder;
 
     class CachedXSLStyleSheet : public CachedResource {
     public:
         CachedXSLStyleSheet(const ResourceRequest&);
 
         const String& sheet() const { return m_sheet; }
         
         virtual void didAddClient(CachedResourceClient*);
         
         virtual void setEncoding(const String&);
         virtual String encoding() const;
         
         virtual void reportMemoryUsage(MemoryObjectInfo*) const OVERRIDE;
 
     protected:
         virtual void checkNotify();
 
         String m_sheet;
         RefPtr<TextResourceDecoder> m_decoder;
     };
 
 } // namespace WebCore
 
 #endif