HeapSupplements are now just Supplements.

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

 // 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.
 
 #include "core/dom/DocumentParserTiming.h"
 
 #include "core/dom/Document.h"
 #include "core/loader/DocumentLoader.h"
 #include "platform/TraceEvent.h"
 #include "wtf/RawPtr.h"
 
 namespace blink {
 
 static const char kSupplementName[] = "DocumentParserTiming";
 
 DocumentParserTiming& DocumentParserTiming::from(Document& document)
 {
-    DocumentParserTiming* timing = static_cast<DocumentParserTiming*>(HeapSupplement<Document>::from(document, kSupplementName));
+    DocumentParserTiming* timing = static_cast<DocumentParserTiming*>(Supplement<Document>::from(document, kSupplementName));
     if (!timing) {
         timing = new DocumentParserTiming(document);
-        HeapSupplement<Document>::provideTo(document, kSupplementName, timing);
+        Supplement<Document>::provideTo(document, kSupplementName, timing);
     }
     return *timing;
 }
 
 void DocumentParserTiming::markParserStart()
 {
     if (m_parserDetached || m_parserStart > 0.0)
         return;
     ASSERT(m_parserStop == 0.0);
     m_parserStart = monotonicallyIncreasingTime();
@@ skipping 32 matching lines @@
 {
 }
 
 void DocumentParserTiming::notifyDocumentParserTimingChanged()
 {
     if (m_document->loader())
         m_document->loader()->didChangePerformanceTiming();
 }
 
 } // namespace blink