HeapSupplements are now just Supplements.

third_party/WebKit/Source/modules/wake_lock/ScreenWakeLock.h

 // 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.
 
 #ifndef ScreenWakeLock_h
 #define ScreenWakeLock_h
 
 #include "core/frame/LocalFrameLifecycleObserver.h"
 #include "core/page/PageLifecycleObserver.h"
 #include "modules/ModulesExport.h"
 #include "wtf/Noncopyable.h"
 
 namespace blink {
 
 class LocalFrame;
 class Screen;
 class WebWakeLockClient;
 
-class MODULES_EXPORT ScreenWakeLock final : public GarbageCollected<ScreenWakeLock>, public HeapSupplement<LocalFrame>, public PageLifecycleObserver, public LocalFrameLifecycleObserver {
+class MODULES_EXPORT ScreenWakeLock final : public GarbageCollected<ScreenWakeLock>, public Supplement<LocalFrame>, public PageLifecycleObserver, public LocalFrameLifecycleObserver {
     USING_GARBAGE_COLLECTED_MIXIN(ScreenWakeLock);
     WTF_MAKE_NONCOPYABLE(ScreenWakeLock);
 public:
     static bool keepAwake(Screen&);
     static void setKeepAwake(Screen&, bool);
 
     bool keepAwake() const { return m_keepAwake; }
     void setKeepAwake(bool);
 
     static const char* supplementName();
@@ skipping 15 matching lines @@
     static ScreenWakeLock* fromScreen(Screen&);
     void notifyClient();
 
     WebWakeLockClient* m_client;
     bool m_keepAwake;
 };
 
 } // namespace blink
 
 #endif // ScreenWakeLock_h