Oilpan: fix build after r180544.

Source/core/frame/ConsoleBase.cpp

 /*
  * Copyright (C) 2007 Apple 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
@@ skipping 156 matching lines @@
 
 void ConsoleBase::internalAddMessage(MessageType type, MessageLevel level, ScriptState* scriptState, PassRefPtrWillBeRawPtr<ScriptArguments> scriptArguments, bool acceptNoArguments, bool printTrace)
 {
     RefPtrWillBeRawPtr<ScriptArguments> arguments = scriptArguments;
     if (!acceptNoArguments && (!arguments || !arguments->argumentCount()))
         return;
 
     String message;
     bool gotStringMessage = arguments ? arguments->getFirstArgumentAsString(message) : false;
 
-    RefPtr<ConsoleMessage> consoleMessage = ConsoleMessage::create(ConsoleAPIMessageSource, level, gotStringMessage? message : String());
+    RefPtrWillBeRawPtr<ConsoleMessage> consoleMessage = ConsoleMessage::create(ConsoleAPIMessageSource, level, gotStringMessage? message : String());
     consoleMessage->setType(type);
     consoleMessage->setScriptState(scriptState);
     consoleMessage->setScriptArguments(arguments);
 
     size_t stackSize = printTrace ? ScriptCallStack::maxCallStackSizeToCapture : 1;
     RefPtrWillBeRawPtr<ScriptCallStack> callStack(createScriptCallStackForConsole(stackSize));
     consoleMessage->setCallStack(callStack);
 
     reportMessageToConsole(consoleMessage.release());
 }
 
 } // namespace blink