Remove unused includes from various .cpp files in core/

Source/core/xml/XSLTProcessorLibxslt.cpp

 /*
  * This file is part of the XSL implementation.
  *
  * Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple, Inc. All rights reserved.
  * Copyright (C) 2005, 2006 Alexey Proskuryakov <ap@webkit.org>
  *
  * 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 23 matching lines @@
 #include <wtf/unicode/UTF8.h>
 #include <wtf/Vector.h>
 #include "core/dom/Document.h"
 #include "core/dom/TransformSource.h"
 #include "core/editing/markup.h"
 #include "core/loader/cache/CachedResourceLoader.h"
 #include "core/page/Frame.h"
 #include "core/page/Page.h"
 #include "core/page/PageConsole.h"
 #include "core/platform/network/ResourceError.h"
-#include "core/platform/network/ResourceHandle.h"
 #include "core/platform/network/ResourceRequest.h"
 #include "core/platform/network/ResourceResponse.h"
 #include "core/xml/XSLStyleSheet.h"
 #include "core/xml/XSLTExtensions.h"
 #include "core/xml/XSLTUnicodeSort.h"
 #include "core/xml/parser/XMLDocumentParser.h"
 #include "weborigin/SecurityOrigin.h"
 
 namespace WebCore {
 
@@ skipping 288 matching lines @@
 
     sheet->method = origMethod;
     setXSLTLoadCallBack(0, 0, 0);
     xsltFreeStylesheet(sheet);
     m_stylesheet = 0;
 
     return success;
 }
 
 } // namespace WebCore