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

Source/core/frame/DeviceSensorEventController.cpp

 /*
  * Copyright 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2012 Samsung Electronics. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *  * Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  *  * Redistributions in binary form must reproduce the above copyright
@@ skipping 38 matching lines @@
 
 void DeviceSensorEventController::fireDeviceEvent(Timer<DeviceSensorEventController>* timer)
 {
     ASSERT_UNUSED(timer, timer == &m_timer);
     ASSERT(hasLastData());
 
     m_timer.stop();
     dispatchDeviceEvent(getLastEvent());
 }
 
-void DeviceSensorEventController::dispatchDeviceEvent(PassRefPtr<Event> prpEvent)
+void DeviceSensorEventController::dispatchDeviceEvent(PassRefPtrWillBeRawPtr<Event> prpEvent)
 {
     if (!m_document.domWindow() || m_document.activeDOMObjectsAreSuspended() || m_document.activeDOMObjectsAreStopped())
         return;
 
-    RefPtr<Event> event = prpEvent;
+    RefPtrWillBeRawPtr<Event> event = prpEvent;
     m_document.domWindow()->dispatchEvent(event);
 
     if (m_needsCheckingNullEvents) {
         if (isNullEvent(event.get()))
             stopUpdating();
         else
             m_needsCheckingNullEvents = false;
     }
 }
 
@@ skipping 28 matching lines @@
     if (!m_hasEventListener)
         return;
 
     if (page()->visibilityState() == PageVisibilityStateVisible)
         startUpdating();
     else
         stopUpdating();
 }
 
 } // namespace WebCore