Oilpan: Remove most WillBe types from the code base

third_party/WebKit/Source/modules/bluetooth/BluetoothDevice.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 BluetoothDevice_h
 #define BluetoothDevice_h
 
 #include "bindings/core/v8/ScriptWrappable.h"
 #include "core/dom/ActiveDOMObject.h"
 #include "core/page/PageLifecycleObserver.h"
@@ skipping 19 matching lines @@
 // CallbackPromiseAdapter templatized with this class. See this class's
 // "Interface required by CallbackPromiseAdapter" section and the
 // CallbackPromiseAdapter class comments.
 class BluetoothDevice final
     : public RefCountedGarbageCollectedEventTargetWithInlineData<BluetoothDevice>
     , public ActiveDOMObject
     , public PageLifecycleObserver {
     USING_PRE_FINALIZER(BluetoothDevice, dispose);
     DEFINE_WRAPPERTYPEINFO();
     REFCOUNTED_GARBAGE_COLLECTED_EVENT_TARGET(BluetoothDevice);
-    WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(BluetoothDevice);
+    USING_GARBAGE_COLLECTED_MIXIN(BluetoothDevice);
 public:
     BluetoothDevice(ExecutionContext*, PassOwnPtr<WebBluetoothDevice>);
 
     // Interface required by CallbackPromiseAdapter:
     using WebType = OwnPtr<WebBluetoothDevice>;
     static BluetoothDevice* take(ScriptPromiseResolver*, PassOwnPtr<WebBluetoothDevice>);
 
     // We should disconnect from the device in all of the following cases:
     // 1. When the object gets GarbageCollected e.g. it went out of scope.
     // dispose() is called in this case.
@@ skipping 49 matching lines @@
 
 private:
     OwnPtr<WebBluetoothDevice> m_webDevice;
     Member<BluetoothAdvertisingData> m_adData;
     Member<BluetoothRemoteGATTServer> m_gatt;
 };
 
 } // namespace blink
 
 #endif // BluetoothDevice_h