Oilpan: Remove most WillBe types from the code base

third_party/WebKit/Source/core/events/PageTransitionEvent.h

 /*
  * Copyright (C) 2009 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
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 16 matching lines @@
 #define PageTransitionEvent_h
 
 #include "core/events/Event.h"
 #include "core/events/PageTransitionEventInit.h"
 
 namespace blink {
 
 class PageTransitionEvent final : public Event {
     DEFINE_WRAPPERTYPEINFO();
 public:
-    static PassRefPtrWillBeRawPtr<PageTransitionEvent> create()
+    static RawPtr<PageTransitionEvent> create()
     {
         return adoptRefWillBeNoop(new PageTransitionEvent);
     }
-    static PassRefPtrWillBeRawPtr<PageTransitionEvent> create(const AtomicString& type, bool persisted)
+    static RawPtr<PageTransitionEvent> create(const AtomicString& type, bool persisted)
     {
-        return adoptRefWillBeNoop(new PageTransitionEvent(type, persisted));
+        return new PageTransitionEvent(type, persisted);
     }
-    static PassRefPtrWillBeRawPtr<PageTransitionEvent> create(const AtomicString& type, const PageTransitionEventInit& initializer)
+    static RawPtr<PageTransitionEvent> create(const AtomicString& type, const PageTransitionEventInit& initializer)
     {
-        return adoptRefWillBeNoop(new PageTransitionEvent(type, initializer));
+        return new PageTransitionEvent(type, initializer);
     }
 
     ~PageTransitionEvent() override;
 
     const AtomicString& interfaceName() const override;
 
     bool persisted() const { return m_persisted; }
 
     DECLARE_VIRTUAL_TRACE();
 
 private:
     PageTransitionEvent();
     PageTransitionEvent(const AtomicString& type, bool persisted);
     PageTransitionEvent(const AtomicString&, const PageTransitionEventInit&);
 
     bool m_persisted;
 };
 
 } // namespace blink
 
 #endif // PageTransitionEvent_h