ActiveScriptWrappable: GC wrappers in detached ExecutionContexts.

third_party/WebKit/Source/modules/indexeddb/IDBRequest.h

 /*
  * Copyright (C) 2010 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 39 matching lines @@
 
 namespace blink {
 
 class DOMException;
 class ExceptionState;
 class IDBCursor;
 struct IDBDatabaseMetadata;
 class IDBValue;
 
 class MODULES_EXPORT IDBRequest : public EventTargetWithInlineData,
-                                  public ActiveScriptWrappable,
+                                  public ActiveScriptWrappable<IDBRequest>,
                                   public SuspendableObject {
   DEFINE_WRAPPERTYPEINFO();
   USING_GARBAGE_COLLECTED_MIXIN(IDBRequest);
 
  public:
   static IDBRequest* create(ScriptState*, IDBAny* source, IDBTransaction*);
   ~IDBRequest() override;
   DECLARE_VIRTUAL_TRACE();
 
   ScriptValue result(ScriptState*, ExceptionState&);
@@ skipping 117 matching lines @@
   bool m_resultDirty = true;
 
   // Pointer back to the WebIDBCallbacks that holds a persistent reference to
   // this object.
   WebIDBCallbacks* m_webCallbacks = nullptr;
 };
 
 }  // namespace blink
 
 #endif  // IDBRequest_h