HeapSupplements are now just Supplements.

third_party/WebKit/Source/modules/encryptedmedia/HTMLMediaElementEncryptedMedia.cpp

 // 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.
 
 #include "modules/encryptedmedia/HTMLMediaElementEncryptedMedia.h"
 
 #include "bindings/core/v8/ExceptionState.h"
 #include "bindings/core/v8/ScriptPromise.h"
 #include "bindings/core/v8/ScriptPromiseResolver.h"
 #include "bindings/core/v8/ScriptState.h"
@@ skipping 282 matching lines @@
 #endif
 }
 
 const char* HTMLMediaElementEncryptedMedia::supplementName()
 {
     return "HTMLMediaElementEncryptedMedia";
 }
 
 HTMLMediaElementEncryptedMedia& HTMLMediaElementEncryptedMedia::from(HTMLMediaElement& element)
 {
-    HTMLMediaElementEncryptedMedia* supplement = static_cast<HTMLMediaElementEncryptedMedia*>(HeapSupplement<HTMLMediaElement>::from(element, supplementName()));
+    HTMLMediaElementEncryptedMedia* supplement = static_cast<HTMLMediaElementEncryptedMedia*>(Supplement<HTMLMediaElement>::from(element, supplementName()));
     if (!supplement) {
         supplement = new HTMLMediaElementEncryptedMedia(element);
         provideTo(element, supplementName(), supplement);
     }
     return *supplement;
 }
 
 MediaKeys* HTMLMediaElementEncryptedMedia::mediaKeys(HTMLMediaElement& element)
 {
     HTMLMediaElementEncryptedMedia& thisElement = HTMLMediaElementEncryptedMedia::from(element);
@@ skipping 92 matching lines @@
 
 WebContentDecryptionModule* HTMLMediaElementEncryptedMedia::contentDecryptionModule()
 {
     return m_mediaKeys ? m_mediaKeys->contentDecryptionModule() : 0;
 }
 
 DEFINE_TRACE(HTMLMediaElementEncryptedMedia)
 {
     visitor->trace(m_mediaElement);
     visitor->trace(m_mediaKeys);
-    HeapSupplement<HTMLMediaElement>::trace(visitor);
+    Supplement<HTMLMediaElement>::trace(visitor);
 }
 
 } // namespace blink