Replacing Indexed DB Chromium IPC with Mojo

content/browser/indexed_db/indexed_db_struct_traits.cc

+// 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.
+
+#include "content/browser/indexed_db/indexed_db_struct_traits.h"
+
+using indexed_db::mojom::KeyPathType;
+
+namespace mojo {
+
+KeyPathType EnumTraits<KeyPathType, blink::WebIDBKeyPathType>::ToMojom(
+    blink::WebIDBKeyPathType input) {
+  switch (input) {
+    case blink::WebIDBKeyPathTypeNull:
+      return KeyPathType::NONE;
+    case blink::WebIDBKeyPathTypeString:
+      return KeyPathType::STRING;
+    case blink::WebIDBKeyPathTypeArray:
+      return KeyPathType::ARRAY;
+  }
+
+  NOTREACHED();
+  return KeyPathType::NONE;
+}
+
+bool EnumTraits<KeyPathType, blink::WebIDBKeyPathType>::FromMojom(
+    KeyPathType input,
+    blink::WebIDBKeyPathType* output) {
+  switch (input) {
+    case KeyPathType::NONE:
+      *output = blink::WebIDBKeyPathTypeNull;
+      return true;
+    case KeyPathType::STRING:
+      *output = blink::WebIDBKeyPathTypeString;
+      return true;
+    case KeyPathType::ARRAY:
+      *output = blink::WebIDBKeyPathTypeArray;
+      return true;
+  }
+
+  NOTREACHED();
+  return false;
+}
+
+}  // namespace mojo