Oilpan: Remove most WillBe types from the code base

third_party/WebKit/Source/modules/presentation/PresentationAvailability.h

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef PresentationAvailability_h
 #define PresentationAvailability_h
 
 #include "core/dom/ActiveDOMObject.h"
 #include "core/events/EventTarget.h"
 #include "core/page/PageLifecycleObserver.h"
@@ skipping 10 matching lines @@
 // Expose whether there is a presentation display available for |url|. The
 // object will be initialized with a default value passed via ::take() and will
 // then subscribe to receive callbacks if the status for |url| were to
 // change. The object will only listen to changes when required.
 class MODULES_EXPORT PresentationAvailability final
     : public RefCountedGarbageCollectedEventTargetWithInlineData<PresentationAvailability>
     , public ActiveDOMObject
     , public PageLifecycleObserver
     , public WebPresentationAvailabilityObserver {
     REFCOUNTED_GARBAGE_COLLECTED_EVENT_TARGET(PresentationAvailability);
-    WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(PresentationAvailability);
+    USING_GARBAGE_COLLECTED_MIXIN(PresentationAvailability);
     DEFINE_WRAPPERTYPEINFO();
 public:
     static PresentationAvailability* take(ScriptPromiseResolver*, const KURL&, bool);
     ~PresentationAvailability() override;
 
     // EventTarget implementation.
     const AtomicString& interfaceName() const override;
     ExecutionContext* executionContext() const override;
 
     // WebPresentationAvailabilityObserver implementation.
@@ skipping 10 matching lines @@
     void pageVisibilityChanged() override;
 
     bool value() const;
 
     DEFINE_ATTRIBUTE_EVENT_LISTENER(change);
 
     DECLARE_VIRTUAL_TRACE();
 
 protected:
     // EventTarget implementation.
-    bool addEventListenerInternal(const AtomicString& eventType, PassRefPtrWillBeRawPtr<EventListener>, const EventListenerOptions&) override;
+    bool addEventListenerInternal(const AtomicString& eventType, RawPtr<EventListener>, const EventListenerOptions&) override;
 
 private:
     // Current state of the ActiveDOMObject. It is Active when created. It
     // becomes Suspended when suspend() is called and moves back to Active if
     // resume() is called. It becomes Inactive when stop() is called or at
     // destruction time.
     enum class State : char {
         Active,
         Suspended,
         Inactive,
     };
 
     PresentationAvailability(ExecutionContext*, const KURL&, bool);
 
     void setState(State);
     void updateListening();
 
     const KURL m_url;
     bool m_value;
     State m_state;
 };
 
 } // namespace blink
 
 #endif // PresentationAvailability_h