HeapSupplements are now just Supplements.

third_party/WebKit/Source/modules/notifications/NotificationPermissionClient.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 NotificationPermissionClient_h
 #define NotificationPermissionClient_h
 
 #include "bindings/core/v8/ScriptPromise.h"
 #include "modules/ModulesExport.h"
 #include "platform/Supplementable.h"
 #include "wtf/PassOwnPtr.h"
 
 namespace blink {
 
 class ExecutionContext;
 class LocalFrame;
 class NotificationPermissionCallback;
 class ScriptState;
 
-class NotificationPermissionClient : public HeapSupplement<LocalFrame> {
+class NotificationPermissionClient : public Supplement<LocalFrame> {
 public:
     virtual ~NotificationPermissionClient() { }
 
     // Requests user permission to show platform notifications from the origin of the
     // current frame. The provided callback will be ran when the user has made a decision.
     virtual ScriptPromise requestPermission(ScriptState*, NotificationPermissionCallback*) = 0;
 
-    // HeapSupplement requirements.
+    // Supplement requirements.
     static const char* supplementName();
     static NotificationPermissionClient* from(ExecutionContext*);
 };
 
 MODULES_EXPORT void provideNotificationPermissionClientTo(LocalFrame&, RawPtr<NotificationPermissionClient>);
 
 } // namespace blink
 
 #endif // NotificationPermissionClient_h