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

third_party/WebKit/Source/core/dom/Script.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 Script_h
 #define Script_h
 
 #include "bindings/core/v8/ScriptWrappable.h"
 #include "core/CoreExport.h"
 #include "platform/heap/Handle.h"
 #include "platform/wtf/text/WTFString.h"
 
 namespace blink {
 
 class Document;
 class LocalFrame;
 class SecurityOrigin;
 
 enum class ScriptType { kClassic, kModule };
 
 // https://html.spec.whatwg.org/#concept-script
-class CORE_EXPORT Script : public GarbageCollectedFinalized<Script>,
-                           public TraceWrapperBase {
+class CORE_EXPORT Script : public GarbageCollectedFinalized<Script> {
  public:
   DEFINE_INLINE_VIRTUAL_TRACE() {}
-  DEFINE_INLINE_VIRTUAL_TRACE_WRAPPERS() {}
 
   virtual ~Script() {}
 
   virtual ScriptType GetScriptType() const = 0;
 
   // Used to skip execution of the script if it is empty.
   virtual bool IsEmpty() const = 0;
 
   // Returns false if the script should not be run due to MIME type check.
   virtual bool CheckMIMETypeBeforeRunScript(Document* context_document,
                                             const SecurityOrigin*) const = 0;
 
   // https://html.spec.whatwg.org/#run-a-classic-script or
   // https://html.spec.whatwg.org/#run-a-module-script,
   // depending on the script type.
   virtual void RunScript(LocalFrame*, const SecurityOrigin*) const = 0;
 
   // For CSP check for inline scripts.
   virtual String InlineSourceTextForCSP() const = 0;
 };
 
 }  // namespace blink
 
 #endif