Simplify ScriptStreamer lifetime handling.

third_party/WebKit/Source/bindings/core/v8/ScriptStreamer.h

 // 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.
 
 #ifndef ScriptStreamer_h
 #define ScriptStreamer_h
 
 #include "core/CoreExport.h"
 #include "platform/heap/Handle.h"
-#include "wtf/RefCounted.h"
+#include "wtf/Noncopyable.h"
 #include "wtf/text/WTFString.h"
 
 #include <v8.h>
 
 namespace blink {
 
 class PendingScript;
 class Resource;
 class ScriptResource;
 class ScriptState;
 class Settings;
 class SourceStream;
 class WebTaskRunner;
 
 // ScriptStreamer streams incomplete script data to V8 so that it can be parsed
 // while it's loaded. PendingScript holds a reference to ScriptStreamer. At the
 // moment, ScriptStreamer is only used for parser blocking scripts; this means
 // that the Document stays stable and no other scripts are executing while we're
 // streaming. It is possible, though, that Document and the PendingScript are
 // destroyed while the streaming is in progress, and ScriptStreamer handles it
 // gracefully.
-class CORE_EXPORT ScriptStreamer final : public RefCountedGarbageCollected<ScriptStreamer> {
+class CORE_EXPORT ScriptStreamer final : public GarbageCollectedFinalized<ScriptStreamer> {
     WTF_MAKE_NONCOPYABLE(ScriptStreamer);
 public:
     enum Type {
         ParsingBlocking,
         Deferred,
         Async
     };
 
     ~ScriptStreamer();
     DECLARE_TRACE();
@@ skipping 107 matching lines @@
 
     // Encoding of the streamed script. Saved for sanity checking purposes.
     v8::ScriptCompiler::StreamedSource::Encoding m_encoding;
 
     OwnPtr<WebTaskRunner> m_loadingTaskRunner;
 };
 
 } // namespace blink
 
 #endif // ScriptStreamer_h