Use a new Supplement constructor for (Worker)Navigator supplements

third_party/WebKit/Source/modules/battery/NavigatorBattery.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 NavigatorBattery_h
 #define NavigatorBattery_h
 
 #include "bindings/core/v8/ScriptPromise.h"
 #include "core/frame/Navigator.h"
 #include "platform/Supplementable.h"
@@ skipping 10 matching lines @@
 
  public:
   static NavigatorBattery& from(Navigator&);
 
   static ScriptPromise getBattery(ScriptState*, Navigator&);
   ScriptPromise getBattery(ScriptState*);
 
   DECLARE_TRACE();
 
  private:
-  NavigatorBattery();
+  explicit NavigatorBattery(Navigator&);
   static const char* supplementName();
 
   Member<BatteryManager> m_batteryManager;
 };
 
 }  // namespace blink
 
 #endif  // NavigatorBattery_h