InlinedVisitor: Migrate xml to use inlined tracing

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 "config.h"
 #include "core/xml/DocumentXSLT.h"
 
 #include "bindings/core/v8/DOMWrapperWorld.h"
 #include "bindings/core/v8/ScriptState.h"
 #include "bindings/core/v8/V8AbstractEventListener.h"
@@ skipping 178 matching lines @@
 DocumentXSLT& DocumentXSLT::from(DocumentSupplementable& document)
 {
     DocumentXSLT* supplement = static_cast<DocumentXSLT*>(DocumentSupplement::from(document, supplementName()));
     if (!supplement) {
         supplement = new DocumentXSLT();
         DocumentSupplement::provideTo(document, supplementName(), adoptPtrWillBeNoop(supplement));
     }
     return *supplement;
 }
 
-void DocumentXSLT::trace(Visitor* visitor)
+DEFINE_TRACE(DocumentXSLT)
 {
     visitor->trace(m_transformSourceDocument);
     DocumentSupplement::trace(visitor);
 }
 
 } // namespace blink