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 f044b605ea677abd1251853fb968fa986993a0c2..c0f6a97bb5d8922a9ba8a63444c10a5d5ab6b694 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