Make Script non-TraceWrapperBase and add a comment about ModuleScript tracing

third_party/WebKit/Source/core/dom/ClassicScript.h

 // Copyright 2017 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 ClassicScript_h
 #define ClassicScript_h
 
 #include "bindings/core/v8/ScriptSourceCode.h"
 #include "core/CoreExport.h"
 #include "core/dom/Script.h"
 
 namespace blink {
 
 class CORE_EXPORT ClassicScript final : public Script {
  public:
   static ClassicScript* Create(const ScriptSourceCode& script_source_code) {
     return new ClassicScript(script_source_code);
   }
 
   DECLARE_TRACE();
-  DECLARE_TRACE_WRAPPERS();
 
   const ScriptSourceCode& GetScriptSourceCode() const {
     return script_source_code_;
   }
 
  private:
   explicit ClassicScript(const ScriptSourceCode& script_source_code)
       : script_source_code_(script_source_code) {}
 
   ScriptType GetScriptType() const override { return ScriptType::kClassic; }
   bool IsEmpty() const override;
   bool CheckMIMETypeBeforeRunScript(Document* context_document,
                                     const SecurityOrigin*) const override;
   void RunScript(LocalFrame*, const SecurityOrigin*) const override;
   String InlineSourceTextForCSP() const override {
     return script_source_code_.Source();
   }
 
   const ScriptSourceCode script_source_code_;
 };
 
 }  // namespace blink
 
 #endif