Simplify Supplementables post Oilpan.

third_party/WebKit/Source/core/xml/DocumentXSLT.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 "core/xml/DocumentXSLT.h"
 
 #include "bindings/core/v8/DOMWrapperWorld.h"
 #include "bindings/core/v8/ScriptState.h"
 #include "bindings/core/v8/V8AbstractEventListener.h"
 #include "bindings/core/v8/V8Binding.h"
@@ skipping 174 matching lines @@
     return true;
 }
 
 const char* DocumentXSLT::supplementName()
 {
     return "DocumentXSLT";
 }
 
 bool DocumentXSLT::hasTransformSourceDocument(Document& document)
 {
-    return static_cast<DocumentXSLT*>(HeapSupplement<Document>::from(document, supplementName()));
+    return static_cast<DocumentXSLT*>(Supplement<Document>::from(document, supplementName()));
 }
 
 
-DocumentXSLT& DocumentXSLT::from(HeapSupplementable<Document>& document)
+DocumentXSLT& DocumentXSLT::from(Supplementable<Document>& document)
 {
-    DocumentXSLT* supplement = static_cast<DocumentXSLT*>(HeapSupplement<Document>::from(document, supplementName()));
+    DocumentXSLT* supplement = static_cast<DocumentXSLT*>(Supplement<Document>::from(document, supplementName()));
     if (!supplement) {
-        supplement = new DocumentXSLT();
-        HeapSupplement<Document>::provideTo(document, supplementName(), adoptPtrWillBeNoop(supplement));
+        supplement = new DocumentXSLT;
+        Supplement<Document>::provideTo(document, supplementName(), supplement);
     }
     return *supplement;
 }
 
 DEFINE_TRACE(DocumentXSLT)
 {
     visitor->trace(m_transformSourceDocument);
-    HeapSupplement<Document>::trace(visitor);
+    Supplement<Document>::trace(visitor);
 }
 
 } // namespace blink