HeapSupplements are now just Supplements.

third_party/WebKit/Source/modules/geofencing/WorkerNavigatorGeofencing.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/geofencing/WorkerNavigatorGeofencing.h"
 
 #include "core/workers/WorkerNavigator.h"
 #include "modules/geofencing/Geofencing.h"
 
 namespace blink {
 
 WorkerNavigatorGeofencing::WorkerNavigatorGeofencing()
 {
 }
 
 WorkerNavigatorGeofencing::~WorkerNavigatorGeofencing()
 {
 }
 
 const char* WorkerNavigatorGeofencing::supplementName()
 {
     return "WorkerNavigatorGeofencing";
 }
 
 WorkerNavigatorGeofencing& WorkerNavigatorGeofencing::from(WorkerNavigator& navigator)
 {
-    WorkerNavigatorGeofencing* supplement = static_cast<WorkerNavigatorGeofencing*>(HeapSupplement<WorkerNavigator>::from(navigator, supplementName()));
+    WorkerNavigatorGeofencing* supplement = static_cast<WorkerNavigatorGeofencing*>(Supplement<WorkerNavigator>::from(navigator, supplementName()));
     if (!supplement) {
         supplement = new WorkerNavigatorGeofencing();
         provideTo(navigator, supplementName(), supplement);
     }
     return *supplement;
 }
 
 Geofencing* WorkerNavigatorGeofencing::geofencing(WorkerNavigator& navigator)
 {
     return WorkerNavigatorGeofencing::from(navigator).geofencing();
 }
 
 Geofencing* WorkerNavigatorGeofencing::geofencing()
 {
     if (!m_geofencing)
         m_geofencing = Geofencing::create(nullptr);
     return m_geofencing.get();
 }
 
 DEFINE_TRACE(WorkerNavigatorGeofencing)
 {
     visitor->trace(m_geofencing);
-    HeapSupplement<WorkerNavigator>::trace(visitor);
+    Supplement<WorkerNavigator>::trace(visitor);
 }
 
 } // namespace blink