[IndexedDB] Propogating changes to observers : Renderer

third_party/WebKit/Source/modules/indexeddb/WebIDBObserverImpl.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 WebIDBObserverImpl_h
 #define WebIDBObserverImpl_h
 
+#include "modules/indexeddb/IDBObserver.h"
 #include "platform/heap/Persistent.h"
 #include "public/platform/modules/indexeddb/WebIDBObserver.h"
+#include <vector>
 
 namespace blink {
 
 class IDBObserver;
+struct WebIDBObservation;
 
 class WebIDBObserverImpl final : public WebIDBObserver {
     USING_FAST_MALLOC(WebIDBObserverImpl);
 
 public:
     static std::unique_ptr<WebIDBObserverImpl> create(IDBObserver*);
 
     ~WebIDBObserverImpl() override;
 
     void setId(int32_t);
 
+    bool transaction() { return m_observer->transaction(); }
+    bool noRecords() { return m_observer->noRecords(); }
+    bool values() { return m_observer->values(); }
+    void onChange(const std::vector<WebIDBObservation>&, std::vector<int32_t> observationIndex);
+
 private:
     enum { kInvalidObserverId = -1 };
 
     explicit WebIDBObserverImpl(IDBObserver*);
 
     int32_t m_id;
     Persistent<IDBObserver> m_observer;
 };
 
 } // namespace blink
 
 #endif // WebIDBObserverImpl_h