Lower priority of async scripts

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
  * 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.
  *
  */
 
 #ifndef ScriptLoader_h
 #define ScriptLoader_h
 
+#include "core/fetch/FetchRequest.h"
 #include "core/fetch/ResourceClient.h"
 #include "core/fetch/ResourcePtr.h"
 #include "wtf/text/TextPosition.h"
 #include "wtf/text/WTFString.h"
 
 namespace blink {
 
 class ScriptResource;
 class Element;
 class ScriptLoaderClient;
@@ skipping 36 matching lines @@
     void childrenChanged();
     void handleSourceAttribute(const String& sourceUrl);
     void handleAsyncAttribute();
 
 private:
     ScriptLoader(Element*, bool createdByParser, bool isEvaluated);
 
     bool ignoresLoadRequest() const;
     bool isScriptForEventSupported() const;
 
-    bool fetchScript(const String& sourceUrl);
+    bool fetchScript(const String& sourceUrl, FetchRequest::DeferOption);
     void stopLoadRequest();
 
     ScriptLoaderClient* client() const;
 
     // ResourceClient
     virtual void notifyFinished(Resource*) OVERRIDE;
 
     // FIXME: Oilpan: This should become a Member once ResourceClient is moved to the heap.
     Element* m_element;
     ResourcePtr<ScriptResource> m_resource;
@@ skipping 15 matching lines @@
 
 inline PassOwnPtr<ScriptLoader> ScriptLoader::create(Element* element, bool createdByParser, bool isEvaluated)
 {
     return adoptPtr(new ScriptLoader(element, createdByParser, isEvaluated));
 }
 
 }
 
 
 #endif