Have Frame::script() return a reference

Source/core/xml/parser/XMLDocumentParser.cpp

 /*
  * Copyright (C) 2000 Peter Kelly (pmk@post.com)
  * Copyright (C) 2005, 2006, 2008 Apple Inc. All rights reserved.
  * Copyright (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  * Copyright (C) 2007 Samuel Weinig (sam@webkit.org)
  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2008 Holger Hans Peter Freyther
  * Copyright (C) 2008 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 344 matching lines @@
 
     // JavaScript can detach the parser. Make sure this is not released
     // before the end of this method.
     RefPtr<XMLDocumentParser> protect(this);
 
     doWrite(source.toString());
 
     if (isStopped())
         return;
 
-    if (document()->frame() && document()->frame()->script()->canExecuteScripts(NotAboutToExecuteScript))
+    if (document()->frame() && document()->frame()->script().canExecuteScripts(NotAboutToExecuteScript))
         ImageLoader::dispatchPendingBeforeLoadEvents();
 }
 
 void XMLDocumentParser::handleError(XMLErrors::ErrorType type, const char* formattedMessage, TextPosition position)
 {
     m_xmlErrors.handleError(type, formattedMessage, position);
     if (type != XMLErrors::warning)
         m_sawError = true;
     if (type == XMLErrors::fatal)
         stopParsing();
@@ skipping 1259 matching lines @@
     sax.initialized = XML_SAX2_MAGIC;
     RefPtr<XMLParserContext> parser = XMLParserContext::createStringParser(&sax, &state);
     String parseString = "<?xml version=\"1.0\"?><attrs " + string + " />";
     parseChunk(parser->context(), parseString);
     finishParsing(parser->context());
     attrsOK = state.gotAttributes;
     return state.attributes;
 }
 
 } // namespace WebCore