Use a new Supplement constructor for (Worker)Navigator supplements

third_party/WebKit/Source/modules/budget/NavigatorBudget.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 NavigatorBudget_h
 #define NavigatorBudget_h
 
 #include "core/frame/Navigator.h"
 #include "platform/Supplementable.h"
 
@@ skipping 10 matching lines @@
 
  public:
   static NavigatorBudget& from(Navigator&);
 
   static BudgetService* budget(Navigator&);
   BudgetService* budget();
 
   DECLARE_VIRTUAL_TRACE();
 
  private:
-  NavigatorBudget();
+  explicit NavigatorBudget(Navigator&);
   static const char* supplementName();
 
   Member<BudgetService> m_budget;
 };
 
 }  // namespace blink
 
 #endif  // NavigatorBudget_h