Supplement should have a Member to the corresponding Supplementable object

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"
 
 namespace blink {
 
 class BudgetService;
 class Navigator;
 
 // This exposes the budget object on the Navigator partial interface.
 class NavigatorBudget final : public GarbageCollected<NavigatorBudget>,
                               public Supplement<Navigator> {
@@ skipping 11 matching lines @@
  private:
   NavigatorBudget();
   static const char* supplementName();
 
   Member<BudgetService> m_budget;
 };
 
 }  // namespace blink
 
 #endif  // NavigatorBudget_h