Replace hand-written IDBObserverCallback with auto-generated code

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

 // Copyright 2016 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 IDBObserver_h
 #define IDBObserver_h
 
+#include "bindings/core/v8/ScriptState.h"
 #include "bindings/core/v8/ScriptWrappable.h"
 #include "modules/ModulesExport.h"
 #include "platform/heap/Handle.h"
 #include "public/platform/WebVector.h"
 #include "public/platform/modules/indexeddb/WebIDBTypes.h"
 #include <bitset>
 
 namespace blink {
 
 class ExceptionState;
 class IDBDatabase;
 class IDBObserverCallback;
 class IDBObserverInit;
 class IDBTransaction;
 struct WebIDBObservation;
 
-class MODULES_EXPORT IDBObserver final : public GarbageCollected<IDBObserver>,
-                                         public ScriptWrappable {
+class MODULES_EXPORT IDBObserver final
+    : public GarbageCollectedFinalized<IDBObserver>,
+      public ScriptWrappable {
   DEFINE_WRAPPERTYPEINFO();
 
  public:
-  static IDBObserver* create(IDBObserverCallback&, const IDBObserverInit&);
+  static IDBObserver* create(ScriptState*,
+                             IDBObserverCallback*,
+                             const IDBObserverInit&);
 
   void removeObserver(int32_t id);
   void onChange(int32_t id,
                 const WebVector<WebIDBObservation>&,
                 const WebVector<int32_t>& observationIndex);
 
   bool transaction() const { return m_transaction; }
   bool noRecords() const { return m_noRecords; }
   bool values() const { return m_values; }
   const std::bitset<WebIDBOperationTypeCount>& operationTypes() const {
     return m_operationTypes;
   }
 
   // Implement the IDBObserver IDL.
   void observe(IDBDatabase*, IDBTransaction*, ExceptionState&);
   void unobserve(IDBDatabase*, ExceptionState&);
 
   DECLARE_TRACE();
 
  private:
-  IDBObserver(IDBObserverCallback&, const IDBObserverInit&);
+  IDBObserver(ScriptState*, IDBObserverCallback*, const IDBObserverInit&);
 
+  RefPtr<ScriptState> m_scriptState;
   Member<IDBObserverCallback> m_callback;
   bool m_transaction;
   bool m_values;
   bool m_noRecords;
   // Operation type bits are set corresponding to WebIDBOperationType.
   std::bitset<WebIDBOperationTypeCount> m_operationTypes;
   HeapHashMap<int32_t, WeakMember<IDBDatabase>> m_observerIds;
 };
 
 }  // namespace blink
 
 #endif  // IDBObserver_h