Oilpan: Remove most WillBe types from the code base

third_party/WebKit/Source/core/html/track/TrackListBase.h

Index: third_party/WebKit/Source/core/html/track/TrackListBase.h
diff --git a/third_party/WebKit/Source/core/html/track/TrackListBase.h b/third_party/WebKit/Source/core/html/track/TrackListBase.h
index 522e428fb1bae8dca4d91e732db99e5e7c25df1d..aab809f6a46c5645f6780cddbb64c7ef7eebd970 100644
--- a/third_party/WebKit/Source/core/html/track/TrackListBase.h
+++ b/third_party/WebKit/Source/core/html/track/TrackListBase.h
@@ -99,7 +99,7 @@ public:
 
     void scheduleChangeEvent()
     {
-        RefPtrWillBeRawPtr<Event> event = Event::create(EventTypeNames::change);
+        RawPtr<Event> event = Event::create(EventTypeNames::change);
         event->setTarget(this);
         m_mediaElement->scheduleEvent(event);
     }
@@ -116,13 +116,13 @@ public:
 private:
     void scheduleTrackEvent(const AtomicString& eventName, T* track)
     {
-        RefPtrWillBeRawPtr<Event> event = TrackEvent::create(eventName, track);
+        RawPtr<Event> event = TrackEvent::create(eventName, track);
         event->setTarget(this);
         m_mediaElement->scheduleEvent(event);
     }
 
     HeapVector<Member<T>> m_tracks;
-    RawPtrWillBeMember<HTMLMediaElement> m_mediaElement;
+    Member<HTMLMediaElement> m_mediaElement;
 };
 
 } // namespace blink