HeapSupplements are now just Supplements.

third_party/WebKit/Source/core/dom/Fullscreen.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
@@ skipping 121 matching lines @@
 const char* Fullscreen::supplementName()
 {
     return "Fullscreen";
 }
 
 Fullscreen& Fullscreen::from(Document& document)
 {
     Fullscreen* fullscreen = fromIfExists(document);
     if (!fullscreen) {
         fullscreen = new Fullscreen(document);
-        HeapSupplement<Document>::provideTo(document, supplementName(), fullscreen);
+        Supplement<Document>::provideTo(document, supplementName(), fullscreen);
     }
 
     return *fullscreen;
 }
 
 Fullscreen* Fullscreen::fromIfExistsSlow(Document& document)
 {
-    return static_cast<Fullscreen*>(HeapSupplement<Document>::from(document, supplementName()));
+    return static_cast<Fullscreen*>(Supplement<Document>::from(document, supplementName()));
 }
 
 Element* Fullscreen::fullscreenElementFrom(Document& document)
 {
     if (Fullscreen* found = fromIfExists(document))
         return found->fullscreenElement();
     return 0;
 }
 
 Element* Fullscreen::currentFullScreenElementFrom(Document& document)
@@ skipping 459 matching lines @@
     m_fullScreenElementStack.append(std::make_pair(&element, requestType));
 }
 
 DEFINE_TRACE(Fullscreen)
 {
 #if ENABLE(OILPAN)
     visitor->trace(m_fullScreenElement);
     visitor->trace(m_fullScreenElementStack);
     visitor->trace(m_eventQueue);
 #endif
-    HeapSupplement<Document>::trace(visitor);
+    Supplement<Document>::trace(visitor);
     DocumentLifecycleObserver::trace(visitor);
 }
 
 } // namespace blink