Oilpan: Replace most of RefPtrs for Event objects with oilpan's transition types

Source/core/html/parser/HTMLScriptRunner.cpp

 /*
  * Copyright (C) 2010 Google, Inc. All Rights Reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 67 matching lines @@
     if (!document->frame()) {
         if (document->import())
             return document->url();
         return KURL();
     }
 
     // Use the URL of the currently active document for this frame.
     return document->frame()->document()->url();
 }
 
-inline PassRefPtr<Event> createScriptLoadEvent()
+inline PassRefPtrWillBeRawPtr<Event> createScriptLoadEvent()
 {
     return Event::create(EventTypeNames::load);
 }
 
 ScriptSourceCode HTMLScriptRunner::sourceFromPendingScript(const PendingScript& script, bool& errorOccurred) const
 {
     if (script.resource()) {
         errorOccurred = script.resource()->errorOccurred();
         ASSERT(script.resource()->isLoaded());
         return ScriptSourceCode(script.resource());
@@ skipping 223 matching lines @@
                 ScriptSourceCode sourceCode(script->textContent(), documentURLForScriptExecution(m_document), scriptStartPosition);
                 scriptLoader->executeScript(sourceCode);
             }
         } else {
             requestParsingBlockingScript(script);
         }
     }
 }
 
 }