HeapSupplements are now just Supplements.

third_party/WebKit/Source/modules/permissions/PermissionController.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/PermissionController.h"
 
 #include "core/frame/LocalFrame.h"
 #include "platform/RuntimeEnabledFeatures.h"
 #include "public/platform/modules/permissions/WebPermissionClient.h"
 
 namespace blink {
 
 PermissionController::~PermissionController()
 {
 }
 
 void PermissionController::provideTo(LocalFrame& frame, WebPermissionClient* client)
 {
     ASSERT(RuntimeEnabledFeatures::permissionsEnabled());
 
     PermissionController* controller = new PermissionController(frame, client);
-    HeapSupplement<LocalFrame>::provideTo(frame, supplementName(), controller);
+    Supplement<LocalFrame>::provideTo(frame, supplementName(), controller);
 }
 
 PermissionController* PermissionController::from(LocalFrame& frame)
 {
-    return static_cast<PermissionController*>(HeapSupplement<LocalFrame>::from(frame, supplementName()));
+    return static_cast<PermissionController*>(Supplement<LocalFrame>::from(frame, supplementName()));
 }
 
 PermissionController::PermissionController(LocalFrame& frame, WebPermissionClient* client)
     : LocalFrameLifecycleObserver(&frame)
     , m_client(client)
 {
 }
 
 const char* PermissionController::supplementName()
 {
     return "PermissionController";
 }
 
 WebPermissionClient* PermissionController::client() const
 {
     return m_client;
 }
 
 void PermissionController::willDetachFrameHost()
 {
     m_client = nullptr;
 }
 
 DEFINE_TRACE(PermissionController)
 {
     LocalFrameLifecycleObserver::trace(visitor);
-    HeapSupplement<LocalFrame>::trace(visitor);
+    Supplement<LocalFrame>::trace(visitor);
 }
 
 } // namespace blink