Define EnumTraits for many IndexedDB enums.

content/common/indexed_db/indexed_db_enum_traits.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_COMMON_INDEXED_DB_INDEXED_DB_ENUM_TRAITS_H_
+#define CONTENT_COMMON_INDEXED_DB_INDEXED_DB_ENUM_TRAITS_H_
+
+#include "content/common/indexed_db/indexed_db.mojom.h"
+#include "third_party/WebKit/public/platform/modules/indexeddb/WebIDBTypes.h"
+
+namespace mojo {
+
+template <>
+struct EnumTraits<indexed_db::mojom::CursorDirection,
+                  blink::WebIDBCursorDirection> {
+  static indexed_db::mojom::CursorDirection ToMojom(
+      blink::WebIDBCursorDirection input);
+  static bool FromMojom(indexed_db::mojom::CursorDirection input,
+                        blink::WebIDBCursorDirection* output);
+};
+
+template <>
+struct EnumTraits<indexed_db::mojom::DataLoss, blink::WebIDBDataLoss> {
+  static indexed_db::mojom::DataLoss ToMojom(blink::WebIDBDataLoss input);
+  static bool FromMojom(indexed_db::mojom::DataLoss input,
+                        blink::WebIDBDataLoss* output);
+};
+
+template <>
+struct EnumTraits<indexed_db::mojom::PutMode, blink::WebIDBPutMode> {
+  static indexed_db::mojom::PutMode ToMojom(blink::WebIDBPutMode input);
+  static bool FromMojom(indexed_db::mojom::PutMode input,
+                        blink::WebIDBPutMode* output);
+};
+
+template <>
+struct EnumTraits<indexed_db::mojom::TaskType, blink::WebIDBTaskType> {
+  static indexed_db::mojom::TaskType ToMojom(blink::WebIDBTaskType input);
+  static bool FromMojom(indexed_db::mojom::TaskType input,
+                        blink::WebIDBTaskType* output);
+};
+
+template <>
+struct EnumTraits<indexed_db::mojom::TransactionMode,
+                  blink::WebIDBTransactionMode> {
+  static indexed_db::mojom::TransactionMode ToMojom(
+      blink::WebIDBTransactionMode input);
+  static bool FromMojom(indexed_db::mojom::TransactionMode input,
+                        blink::WebIDBTransactionMode* output);
+};
+
+}  // namespace mojo
+
+#endif  // CONTENT_COMMON_INDEXED_DB_INDEXED_DB_ENUM_TRAITS_H_