HeapSupplements are now just Supplements.

third_party/WebKit/Source/modules/netinfo/WorkerNavigatorNetworkInformation.cpp

 // 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.
 
 #include "modules/netinfo/WorkerNavigatorNetworkInformation.h"
 
 #include "core/workers/WorkerNavigator.h"
 #include "modules/netinfo/NetworkInformation.h"
 
 namespace blink {
 
 WorkerNavigatorNetworkInformation::WorkerNavigatorNetworkInformation(WorkerNavigator& navigator, ExecutionContext* context)
 {
 }
 
 WorkerNavigatorNetworkInformation& WorkerNavigatorNetworkInformation::from(WorkerNavigator& navigator, ExecutionContext* context)
 {
     WorkerNavigatorNetworkInformation* supplement = toWorkerNavigatorNetworkInformation(navigator, context);
     if (!supplement) {
         supplement = new WorkerNavigatorNetworkInformation(navigator, context);
         provideTo(navigator, supplementName(), supplement);
     }
     return *supplement;
 }
 
 WorkerNavigatorNetworkInformation* WorkerNavigatorNetworkInformation::toWorkerNavigatorNetworkInformation(WorkerNavigator& navigator, ExecutionContext* context)
 {
-    return static_cast<WorkerNavigatorNetworkInformation*>(HeapSupplement<WorkerNavigator>::from(navigator, supplementName()));
+    return static_cast<WorkerNavigatorNetworkInformation*>(Supplement<WorkerNavigator>::from(navigator, supplementName()));
 }
 
 const char* WorkerNavigatorNetworkInformation::supplementName()
 {
     return "WorkerNavigatorNetworkInformation";
 }
 
 NetworkInformation* WorkerNavigatorNetworkInformation::connection(ExecutionContext* context, WorkerNavigator& navigator)
 {
     return WorkerNavigatorNetworkInformation::from(navigator, context).connection(context);
 }
 
 DEFINE_TRACE(WorkerNavigatorNetworkInformation)
 {
     visitor->trace(m_connection);
-    HeapSupplement<WorkerNavigator>::trace(visitor);
+    Supplement<WorkerNavigator>::trace(visitor);
 }
 
 NetworkInformation* WorkerNavigatorNetworkInformation::connection(ExecutionContext* context)
 {
     ASSERT(context);
     if (!m_connection)
         m_connection = NetworkInformation::create(context);
     return m_connection.get();
 }
 
 } // namespace blink