Fixed handling of Dart MIME type

Source/core/dom/ScriptLoader.h

 /*
  * Copyright (C) 2008 Nikolas Zimmermann <zimmermann@kde.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.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 43 matching lines @@
 
     String scriptCharset() const { return m_characterEncoding; }
     String scriptContent() const;
     // Returns false if and only if execution was blocked.
     bool executeScript(const ScriptSourceCode&, double* compilationFinishTime = 0);
     virtual void execute();
 
     // XML parser calls these
     void dispatchLoadEvent();
     void dispatchErrorEvent();
-    enum ScriptType { ScriptNone = 0, ScriptJavaScript, ScriptDart };
-    ScriptType isScriptTypeSupported(LegacyTypeSupport) const;
+
+    bool isScriptTypeSupported(LegacyTypeSupport) const;
 
     bool haveFiredLoadEvent() const { return m_haveFiredLoad; }
     bool willBeParserExecuted() const { return m_willBeParserExecuted; }
     bool readyToBeParserExecuted() const { return m_readyToBeParserExecuted; }
     bool willExecuteWhenDocumentFinishedParsing() const { return m_willExecuteWhenDocumentFinishedParsing; }
     ResourcePtr<ScriptResource> resource() { return m_resource; }
 
     void setHaveFiredLoadEvent(bool haveFiredLoad) { m_haveFiredLoad = haveFiredLoad; }
     bool isParserInserted() const { return m_parserInserted; }
     bool alreadyStarted() const { return m_alreadyStarted; }
@@ skipping 35 matching lines @@
 
     bool m_parserInserted : 1;
     bool m_isExternalScript : 1;
     bool m_alreadyStarted : 1;
     bool m_haveFiredLoad : 1;
     bool m_willBeParserExecuted : 1; // Same as "The parser will handle executing the script."
     bool m_readyToBeParserExecuted : 1;
     bool m_willExecuteWhenDocumentFinishedParsing : 1;
     bool m_forceAsync : 1;
     bool m_willExecuteInOrder : 1;
+
+    // FIXMEDART: Type of script (JS, Dart, None).
+    enum ScriptType { ScriptNone = 0, ScriptJavaScript, ScriptDart };
+    ScriptType getScriptTypeSupported(LegacyTypeSupport) const;
     ScriptType m_scriptType;
 };
 
 ScriptLoader* toScriptLoaderIfPossible(Element*);
 
 } // namespace blink
 
 #endif // ScriptLoader_h