bluetooth: Use WebBluetoothDeviceId instead of string

content/common/bluetooth/web_bluetooth_device_id_struct_traits.h

Index: content/common/bluetooth/web_bluetooth_device_id_struct_traits.h
diff --git a/content/common/bluetooth/web_bluetooth_device_id_struct_traits.h b/content/common/bluetooth/web_bluetooth_device_id_struct_traits.h
new file mode 100644
index 0000000000000000000000000000000000000000..82fa21b4696cd400509448f19d783edcfec5302b
--- /dev/null
+++ b/content/common/bluetooth/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 CONTENT_BROWSER_BLUETOOTH_WEB_BLUETOOTH_DEVICE_ID_STRUCT_TRAITS_H_
+#define CONTENT_BROWSER_BLUETOOTH_WEB_BLUETOOTH_DEVICE_ID_STRUCT_TRAITS_H_
+
+#include <string>
+
+#include "content/common/bluetooth/web_bluetooth_device_id.h"
+#include "third_party/WebKit/public/platform/modules/bluetooth/web_bluetooth.mojom.h"
+
+namespace mojo {
+
+template <>
+struct StructTraits<blink::mojom::WebBluetoothDeviceId,
+                    content::WebBluetoothDeviceId> {
+  static const std::string& device_id(
+      const content::WebBluetoothDeviceId& device_id) {
+    return device_id.str();
+  }
+
+  static bool Read(blink::mojom::WebBluetoothDeviceIdDataView input,
+                   content::WebBluetoothDeviceId* output) {
+    std::string result;
+
+    if (!input.ReadDeviceId(&result))
+      return false;
+    if (!content::WebBluetoothDeviceId::IsValid(result))
+      return false;
+
+    *output = content::WebBluetoothDeviceId(std::move(result));
+    return true;
+  }
+};
+
+}  // namespace mojo
+
+#endif  // CONTENT_BROWSER_BLUETOOTH_WEB_BLUETOOTH_DEVICE_ID_STRUCT_TRAITS_H_