HeapSupplements are now just Supplements.

third_party/WebKit/Source/modules/indexeddb/DOMWindowIndexedDatabase.cpp

 /*
  * Copyright (C) 2011, Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
  *
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 24 matching lines @@
 DOMWindowIndexedDatabase::DOMWindowIndexedDatabase(LocalDOMWindow& window)
     : DOMWindowProperty(window.frame())
     , m_window(&window)
 {
 }
 
 DEFINE_TRACE(DOMWindowIndexedDatabase)
 {
     visitor->trace(m_window);
     visitor->trace(m_idbFactory);
-    HeapSupplement<LocalDOMWindow>::trace(visitor);
+    Supplement<LocalDOMWindow>::trace(visitor);
     DOMWindowProperty::trace(visitor);
 }
 
 const char* DOMWindowIndexedDatabase::supplementName()
 {
     return "DOMWindowIndexedDatabase";
 }
 
 DOMWindowIndexedDatabase& DOMWindowIndexedDatabase::from(LocalDOMWindow& window)
 {
-    DOMWindowIndexedDatabase* supplement = static_cast<DOMWindowIndexedDatabase*>(HeapSupplement<LocalDOMWindow>::from(window, supplementName()));
+    DOMWindowIndexedDatabase* supplement = static_cast<DOMWindowIndexedDatabase*>(Supplement<LocalDOMWindow>::from(window, supplementName()));
     if (!supplement) {
         supplement = new DOMWindowIndexedDatabase(window);
         provideTo(window, supplementName(), supplement);
     }
     return *supplement;
 }
 
 void DOMWindowIndexedDatabase::willDestroyGlobalObjectInFrame()
 {
     m_idbFactory = nullptr;
@@ skipping 23 matching lines @@
 
     if (!m_window->isCurrentlyDisplayedInFrame())
         return nullptr;
 
     if (!m_idbFactory)
         m_idbFactory = IDBFactory::create(IndexedDBClient::create());
     return m_idbFactory.get();
 }
 
 } // namespace blink