Replacing Indexed DB Chromium IPC with Mojo

third_party/WebKit/Source/modules/indexeddb/IDBDatabaseObserverImpl.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 IDBDatabaseObserverImpl_h
+#define IDBDatabaseObserverImpl_h
+
+#include "Source/modules/indexeddb/indexed_db.mojom-blink.h"
+#include "bindings/core/v8/ScriptValue.h"
+#include "bindings/core/v8/ScriptWrappable.h"
+#include "mojo/public/cpp/bindings/binding.h"
+
+namespace blink {
+
+class IDBOpenDBRequest;
+
+class IDBDatabaseObserverImpl : WTF_NON_EXPORTED_BASE(public indexed_db::mojom::blink::DatabaseObserver)
+{
+public:
+    static indexed_db::mojom::blink::DatabaseObserverPtr Create(IDBOpenDBRequest*);
+
+private:
+    IDBDatabaseObserverImpl(indexed_db::mojom::blink::DatabaseObserverRequest, IDBOpenDBRequest*);
+    ~IDBDatabaseObserverImpl();
+    DECLARE_TRACE();
+
+    // indexed_db::mojom::blink::DatabaseObserver:
+    void OnTransactionAborted(int64_t hostTransactionId, indexed_db::mojom::blink::ErrorInfoPtr) override;
+    void OnTransactionCompleted(int64_t hostTransactionId) override;
+    void OnForcedClosed() override;
+    void OnVersionChange(int64_t oldVersion, int64_t newVersion) override;
+
+    WeakMember<IDBOpenDBRequest> m_request;
+
+    mojo::Binding<indexed_db::mojom::blink::DatabaseObserver> m_binding;
+
+    DISALLOW_COPY_AND_ASSIGN(IDBDatabaseObserverImpl);
+};
+
+} // namespace blink
+
+#endif // IDBDatabaseObserverImpl_h