HeapSupplements are now just Supplements.

third_party/WebKit/Source/modules/permissions/NavigatorPermissions.h

 // Copyright 2015 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 NavigatorPermissions_h
 #define NavigatorPermissions_h
 
 #include "platform/Supplementable.h"
 #include "platform/heap/Handle.h"
 
 namespace blink {
 
 class Navigator;
 class Permissions;
 
-class NavigatorPermissions final : public GarbageCollected<NavigatorPermissions>, public HeapSupplement<Navigator> {
+class NavigatorPermissions final : public GarbageCollected<NavigatorPermissions>, public Supplement<Navigator> {
     USING_GARBAGE_COLLECTED_MIXIN(NavigatorPermissions);
 public:
     static NavigatorPermissions& from(Navigator&);
     static Permissions* permissions(Navigator&);
 
     DECLARE_VIRTUAL_TRACE();
 
 private:
     NavigatorPermissions();
 
     static const char* supplementName();
 
     Member<Permissions> m_permissions;
 };
 
 } // namespace blink
 
 #endif // NavigatorPermissions_h