HeapSupplements are now just Supplements.

third_party/WebKit/Source/modules/push_messaging/PushController.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 PushController_h
 #define PushController_h
 
 #include "core/frame/LocalFrame.h"
 #include "modules/ModulesExport.h"
 #include "platform/Supplementable.h"
 #include "wtf/Forward.h"
 #include "wtf/Noncopyable.h"
 #include "wtf/PassOwnPtr.h"
 
 namespace blink {
 
 class WebPushClient;
 
-class PushController final : public GarbageCollected<PushController>, public HeapSupplement<LocalFrame> {
+class PushController final : public GarbageCollected<PushController>, public Supplement<LocalFrame> {
     USING_GARBAGE_COLLECTED_MIXIN(PushController);
     WTF_MAKE_NONCOPYABLE(PushController);
 public:
     static RawPtr<PushController> create(WebPushClient*);
     static const char* supplementName();
-    static PushController* from(LocalFrame* frame) { return static_cast<PushController*>(HeapSupplement<LocalFrame>::from(frame, supplementName())); }
+    static PushController* from(LocalFrame* frame) { return static_cast<PushController*>(Supplement<LocalFrame>::from(frame, supplementName())); }
     static WebPushClient& clientFrom(LocalFrame*);
 
-    DEFINE_INLINE_VIRTUAL_TRACE() { HeapSupplement<LocalFrame>::trace(visitor); }
+    DEFINE_INLINE_VIRTUAL_TRACE() { Supplement<LocalFrame>::trace(visitor); }
 
 private:
     explicit PushController(WebPushClient*);
 
     WebPushClient* client() const { return m_client; }
 
     WebPushClient* m_client;
 };
 
 MODULES_EXPORT void providePushControllerTo(LocalFrame&, WebPushClient*);
 
 } // namespace blink
 
 #endif // PushController_h