Replacing Indexed DB Chromium IPC with Mojo

content/browser/indexed_db/indexed_db_change_handler_impl.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 CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_CHANGE_HANDLER_IMPL_H_
+#define CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_CHANGE_HANDLER_IMPL_H_
+
+#include <memory>
+
+#include "content/browser/indexed_db/indexed_db_change_handler.h"
+
+#include "content/common/content_export.h"
+#include "third_party/WebKit/Source/modules/indexeddb/indexed_db.mojom.h"
+
+namespace content {
+
+class CONTENT_EXPORT IndexedDBChangeHandlerImpl
+    : public IndexedDBChangeHandler {
+ public:
+  IndexedDBChangeHandlerImpl(
+      ::indexed_db::mojom::DatabaseObserverPtr database_observer);
+
+  // content::IndexedDBChangeHandler:
+  void OnForcedClose() override;
+  void OnVersionChange(int64_t old_version, int64_t new_version) override;
+  void OnAbort(int64_t transaction_id,
+               const IndexedDBDatabaseError& error) override;
+  void OnComplete(int64_t transaction_id) override;
+  void OnDatabaseChange(
+      int32_t ipc_database_id,
+      std::unique_ptr<IndexedDBObserverChanges> changes) override;
+  void SetConnection(base::WeakPtr<IndexedDBConnection> connection) override;
+
+ protected:
+  ~IndexedDBChangeHandlerImpl() override;
+
+ private:
+  friend class base::RefCounted<IndexedDBChangeHandlerImpl>;
+
+  base::WeakPtr<IndexedDBConnection> connection_;
+  ::indexed_db::mojom::DatabaseObserverPtr database_observer_;
+
+  DISALLOW_COPY_AND_ASSIGN(IndexedDBChangeHandlerImpl);
+};
+
+}  // namespace content
+
+#endif  // CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_CHANGE_HANDLER_IMPL_H_