bluetooth: Use WebBluetoothDeviceId instead of string

components/web_bluetooth/public/interfaces/web_bluetooth_device_id_struct_traits.h

Index: components/web_bluetooth/public/interfaces/web_bluetooth_device_id_struct_traits.h
diff --git a/components/web_bluetooth/public/interfaces/web_bluetooth_device_id_struct_traits.h b/components/web_bluetooth/public/interfaces/web_bluetooth_device_id_struct_traits.h
new file mode 100644
index 0000000000000000000000000000000000000000..4524f4abd946903038c9af218ba2dc5ef7237cc6
--- /dev/null
+++ b/components/web_bluetooth/public/interfaces/web_bluetooth_device_id_struct_traits.h
@@ -0,0 +1,39 @@
+// 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 COMPONENTS_WEB_BLUETOOTH_PUBLIC_INTERFACES_WEB_BLUETOOTH_DEVICE_ID_STRUCT_TRAITS_H_
+#define COMPONENTS_WEB_BLUETOOTH_PUBLIC_INTERFACES_WEB_BLUETOOTH_DEVICE_ID_STRUCT_TRAITS_H_
+
+#include <string>
+
+#include "components/web_bluetooth/public/interfaces/web_bluetooth_device_id.mojom.h"
+#include "components/web_bluetooth/web_bluetooth_device_id.h"
+
+namespace mojo {
+
+template <>
+struct StructTraits<web_bluetooth::mojom::WebBluetoothDeviceId,
+                    web_bluetooth::WebBluetoothDeviceId> {
+  static const std::string& device_id(
+      const web_bluetooth::WebBluetoothDeviceId& device_id) {
+    return device_id.str();
+  }
+
+  static bool Read(web_bluetooth::mojom::WebBluetoothDeviceIdDataView input,
+                   web_bluetooth::WebBluetoothDeviceId* output) {
+    std::string result;
+
+    if (!input.ReadDeviceId(&result))
+      return false;
+    if (!web_bluetooth::WebBluetoothDeviceId::IsValid(result))
+      return false;
+
+    *output = web_bluetooth::WebBluetoothDeviceId(std::move(result));
+    return true;
+  }
+};
+
+}  // namespace mojo
+
+#endif  // COMPONENTS_WEB_BLUETOOTH_PUBLIC_INTERFACES_WEB_BLUETOOTH_DEVICE_ID_STRUCT_TRAITS_H_