Oilpan: have Navigator and its supplements be on the heap by default.

Source/modules/bluetooth/NavigatorBluetooth.cpp

 // 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.
 
 #include "config.h"
 #include "modules/bluetooth/NavigatorBluetooth.h"
 
 #include "core/frame/Navigator.h"
 #include "modules/bluetooth/Bluetooth.h"
 
 namespace blink {
 
 NavigatorBluetooth& NavigatorBluetooth::from(Navigator& navigator)
 {
-    NavigatorBluetooth* supplement = static_cast<NavigatorBluetooth*>(WillBeHeapSupplement<Navigator>::from(navigator, supplementName()));
+    NavigatorBluetooth* supplement = static_cast<NavigatorBluetooth*>(HeapSupplement<Navigator>::from(navigator, supplementName()));
     if (!supplement) {
         supplement = new NavigatorBluetooth();
-        provideTo(navigator, supplementName(), adoptPtrWillBeNoop(supplement));
+        provideTo(navigator, supplementName(), supplement);
     }
     return *supplement;
 }
 
 Bluetooth* NavigatorBluetooth::bluetooth(Navigator& navigator)
 {
     return NavigatorBluetooth::from(navigator).bluetooth();
 }
 
 Bluetooth* NavigatorBluetooth::bluetooth()
 {
     if (!m_bluetooth)
         m_bluetooth = Bluetooth::create();
     return m_bluetooth.get();
 }
 
 DEFINE_TRACE(NavigatorBluetooth)
 {
     visitor->trace(m_bluetooth);
-    WillBeHeapSupplement<Navigator>::trace(visitor);
+    HeapSupplement<Navigator>::trace(visitor);
 }
 
 NavigatorBluetooth::NavigatorBluetooth()
 {
 }
 
-DEFINE_EMPTY_DESTRUCTOR_WILL_BE_REMOVED(NavigatorBluetooth);
-
 const char* NavigatorBluetooth::supplementName()
 {
     return "NavigatorBluetooth";
 }
 
 } // namespace blink