Oilpan: Remove most WillBe types from the code base

third_party/WebKit/Source/bindings/core/v8/ScriptPromisePropertyBase.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 ScriptPromisePropertyBase_h
 #define ScriptPromisePropertyBase_h
 
 #include "bindings/core/v8/ScopedPersistent.h"
 #include "bindings/core/v8/ScriptPromise.h"
 #include "bindings/core/v8/ScriptPromiseProperties.h"
 #include "core/CoreExport.h"
 #include "core/dom/ContextLifecycleObserver.h"
 #include "wtf/Compiler.h"
 #include "wtf/OwnPtr.h"
 #include "wtf/RefCounted.h"
 #include "wtf/Vector.h"
 #include <v8.h>
 
 namespace blink {
 
 class DOMWrapperWorld;
 class ExecutionContext;
 class ScriptState;
 
 // TODO(yhirano): Remove NEVER_INLINE once we find the cause of crashes.
 class CORE_EXPORT ScriptPromisePropertyBase : public GarbageCollectedFinalized<ScriptPromisePropertyBase>, public ContextLifecycleObserver {
-    WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(ScriptPromisePropertyBase);
+    USING_GARBAGE_COLLECTED_MIXIN(ScriptPromisePropertyBase);
 public:
     virtual ~ScriptPromisePropertyBase();
 
     enum Name {
 #define P(Name) Name,
         SCRIPT_PROMISE_PROPERTIES(P)
 #undef P
     };
 
     enum State {
@@ skipping 40 matching lines @@
     v8::Isolate* m_isolate;
     Name m_name;
     State m_state;
 
     WeakPersistentSet m_wrappers;
 };
 
 } // namespace blink
 
 #endif // ScriptPromisePropertyBase_h