Oilpan: Remove most WillBe types from the code base

third_party/WebKit/Source/modules/notifications/Notification.cpp

Index: third_party/WebKit/Source/modules/notifications/Notification.cpp
diff --git a/third_party/WebKit/Source/modules/notifications/Notification.cpp b/third_party/WebKit/Source/modules/notifications/Notification.cpp
index be2c4e2823ca8ff3eedf37d894f557a2f354c43c..d58e2a974a6ca7dec1b70a613b0a8ac708ab32a9 100644
--- a/third_party/WebKit/Source/modules/notifications/Notification.cpp
+++ b/third_party/WebKit/Source/modules/notifications/Notification.cpp
@@ -346,7 +346,7 @@ size_t Notification::maxActions()
     return notificationManager()->maxActions();
 }
 
-bool Notification::dispatchEventInternal(PassRefPtrWillBeRawPtr<Event> event)
+bool Notification::dispatchEventInternal(RawPtr<Event> event)
 {
     ASSERT(executionContext()->isContextThread());
     return EventTarget::dispatchEventInternal(event);