HeapSupplements are now just Supplements.

third_party/WebKit/Source/modules/permissions/WorkerNavigatorPermissions.cpp

 // 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.
 
 #include "modules/permissions/WorkerNavigatorPermissions.h"
 
 #include "core/workers/WorkerNavigator.h"
 #include "modules/permissions/Permissions.h"
 
 namespace blink {
 
 WorkerNavigatorPermissions::WorkerNavigatorPermissions()
 {
 }
 
 // static
 const char* WorkerNavigatorPermissions::supplementName()
 {
     return "WorkerNavigatorPermissions";
 }
 
 // static
 WorkerNavigatorPermissions& WorkerNavigatorPermissions::from(WorkerNavigator& workerNavigator)
 {
-    WorkerNavigatorPermissions* supplement = static_cast<WorkerNavigatorPermissions*>(HeapSupplement<WorkerNavigator>::from(workerNavigator, supplementName()));
+    WorkerNavigatorPermissions* supplement = static_cast<WorkerNavigatorPermissions*>(Supplement<WorkerNavigator>::from(workerNavigator, supplementName()));
     if (!supplement) {
         supplement = new WorkerNavigatorPermissions();
         provideTo(workerNavigator, supplementName(), supplement);
     }
     return *supplement;
 }
 
 // static
 Permissions* WorkerNavigatorPermissions::permissions(WorkerNavigator& workerNavigator)
 {
     WorkerNavigatorPermissions& self = WorkerNavigatorPermissions::from(workerNavigator);
     if (!self.m_permissions)
         self.m_permissions = new Permissions();
     return self.m_permissions;
 }
 
 DEFINE_TRACE(WorkerNavigatorPermissions)
 {
     visitor->trace(m_permissions);
-    HeapSupplement<WorkerNavigator>::trace(visitor);
+    Supplement<WorkerNavigator>::trace(visitor);
 }
 
 } // namespace blink