IndexedDB Observers

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

Index: third_party/WebKit/Source/modules/indexeddb/IDBObserver.h
diff --git a/third_party/WebKit/Source/modules/indexeddb/IDBObserver.h b/third_party/WebKit/Source/modules/indexeddb/IDBObserver.h
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+// 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/ScriptWrappable.h"
+#include "modules/indexeddb/IDBDatabase.h"
+#include "modules/indexeddb/IDBTransaction.h"
+#include "platform/heap/Handle.h"
+
+namespace blink {
+
+class IDBObserverCallback;
+class IDBObserverInit;
+
+class IDBObserver final : public GarbageCollectedFinalized<IDBObserver>, public ScriptWrappable {
+    DEFINE_WRAPPERTYPEINFO();
+
+public:
+    static IDBObserver* create(IDBObserverCallback&, const IDBObserverInit&);
+    ~IDBObserver();
+    // API methods
+    void observe(IDBDatabase*, IDBTransaction*, ExceptionState&);
+
+    DECLARE_TRACE();
+
+private:
+    explicit IDBObserver(IDBObserverCallback&, const IDBObserverInit&);
+
+    Member<IDBObserverCallback> m_callback;
+    bool m_transaction;
+    bool m_values;
+    bool m_noRecords;
+};
+
+} // namespace blink
+
+#endif // IDBObserver_h