HeapSupplements are now just Supplements.

third_party/WebKit/Source/modules/netinfo/WorkerNavigatorNetworkInformation.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 WorkerNavigatorNetworkInformation_h
 #define WorkerNavigatorNetworkInformation_h
 
 #include "platform/Supplementable.h"
 
 namespace blink {
 
 class ExecutionContext;
 class NetworkInformation;
 class WorkerNavigator;
 
-class WorkerNavigatorNetworkInformation final : public GarbageCollected<WorkerNavigatorNetworkInformation>, public HeapSupplement<WorkerNavigator> {
+class WorkerNavigatorNetworkInformation final : public GarbageCollected<WorkerNavigatorNetworkInformation>, public Supplement<WorkerNavigator> {
     USING_GARBAGE_COLLECTED_MIXIN(WorkerNavigatorNetworkInformation);
 public:
     static WorkerNavigatorNetworkInformation& from(WorkerNavigator&, ExecutionContext*);
     static WorkerNavigatorNetworkInformation* toWorkerNavigatorNetworkInformation(WorkerNavigator&, ExecutionContext*);
     static const char* supplementName();
 
     static NetworkInformation* connection(ExecutionContext*, WorkerNavigator&);
 
     DECLARE_VIRTUAL_TRACE();
 
 private:
     WorkerNavigatorNetworkInformation(WorkerNavigator&, ExecutionContext*);
     NetworkInformation* connection(ExecutionContext*);
 
     Member<NetworkInformation> m_connection;
 };
 
 } // namespace blink
 
 #endif // WorkerNavigatorNetworkInformation_h