Oilpan: Remove most WillBe types from the code base

third_party/WebKit/Source/modules/worklet/DOMWindowWorklet.h

 // Copyright 2016 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 DOMWindowWorklet_h
 #define DOMWindowWorklet_h
 
 #include "core/frame/DOMWindowProperty.h"
 #include "platform/Supplementable.h"
 #include "platform/heap/Handle.h"
 
 namespace blink {
 
 class DOMWindow;
 class ExecutionContext;
 class Worklet;
 
-class DOMWindowWorklet final : public NoBaseWillBeGarbageCollected<DOMWindowWorklet>, public WillBeHeapSupplement<LocalDOMWindow>, public DOMWindowProperty {
-    WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(DOMWindowWorklet);
-    DECLARE_EMPTY_VIRTUAL_DESTRUCTOR_WILL_BE_REMOVED(DOMWindowWorklet);
-    USING_FAST_MALLOC_WILL_BE_REMOVED(DOMWindowWorklet);
+class DOMWindowWorklet final : public GarbageCollected<DOMWindowWorklet>, public HeapSupplement<LocalDOMWindow>, public DOMWindowProperty {
+    USING_GARBAGE_COLLECTED_MIXIN(DOMWindowWorklet);
 public:
     static DOMWindowWorklet& from(LocalDOMWindow&);
     static Worklet* renderWorklet(ExecutionContext*, DOMWindow&);
     Worklet* renderWorklet(ExecutionContext*) const;
 
     DECLARE_TRACE();
 
 private:
     explicit DOMWindowWorklet(LocalDOMWindow&);
     static const char* supplementName();
 
-    mutable PersistentWillBeMember<Worklet> m_renderWorklet;
+    mutable Member<Worklet> m_renderWorklet;
 };
 
 } // namespace blink
 
 #endif // DOMWindowWorklet_h