Oilpan: Remove most WillBe types from the code base

third_party/WebKit/Source/web/NotificationPermissionClientImpl.h

 // Copyright 2014 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 NotificationPermissionClientImpl_h
 #define NotificationPermissionClientImpl_h
 
 #include "modules/notifications/NotificationPermissionClient.h"
 #include "platform/heap/Handle.h"
 
 namespace blink {
 
-class NotificationPermissionClientImpl : public NoBaseWillBeGarbageCollectedFinalized<NotificationPermissionClientImpl>, public NotificationPermissionClient {
-    WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(NotificationPermissionClientImpl);
+class NotificationPermissionClientImpl : public GarbageCollectedFinalized<NotificationPermissionClientImpl>, public NotificationPermissionClient {
+    USING_GARBAGE_COLLECTED_MIXIN(NotificationPermissionClientImpl);
 public:
-    static PassOwnPtrWillBeRawPtr<NotificationPermissionClientImpl> create();
+    static RawPtr<NotificationPermissionClientImpl> create();
 
     ~NotificationPermissionClientImpl() override;
 
     // NotificationPermissionClient implementation.
     ScriptPromise requestPermission(ScriptState*, NotificationPermissionCallback*) override;
 
-    // NoBaseWillBeGarbageCollectedFinalized implementation.
+    // GarbageCollectedFinalized implementation.
     DEFINE_INLINE_VIRTUAL_TRACE() { NotificationPermissionClient::trace(visitor); }
 
 private:
     NotificationPermissionClientImpl();
 };
 
 } // namespace blink
 
 #endif // NotificationPermissionClientImpl_h