Typemap device.usb.DeviceFilter to device::UsbDeviceFilter.

device/usb/public/interfaces/device_manager_struct_traits.cc

+// Copyright 2017 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 "device/usb/public/interfaces/device_manager_struct_traits.h"
+
+namespace mojo {
+
+// static
+bool StructTraits<device::usb::DeviceFilterDataView, device::UsbDeviceFilter>::
+    Read(device::usb::DeviceFilterDataView input,
+         device::UsbDeviceFilter* output) {
+  if (input.has_vendor_id())
+    output->vendor_id = input.vendor_id();
+  if (input.has_product_id())
+    output->product_id = input.product_id();
+  if (input.has_class_code())
+    output->interface_class = input.class_code();
+  if (input.has_subclass_code())
+    output->interface_subclass = input.subclass_code();
+  if (input.has_protocol_code())
+    output->interface_protocol = input.protocol_code();
+  return true;
+}
+
+}  // namespace mojo