Move classes in the device.usb Mojo namespace to device.mojom

device/usb/public/interfaces/chooser_service.mojom

 // Copyright 2015 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.
 
-module device.usb;
+module device.mojom;
 
 import "device.mojom";
 import "device_manager.mojom";
 
-interface ChooserService {
+interface UsbChooserService {
   // Get permission from user to use the device.
   //
   // |device_filters| filters the available devices and the filtered
   // devices will be listed for user to grant permission.
   //
   // |result| is the device that user grants permission to use.
-  GetPermission(array<device.usb.DeviceFilter> device_filters)
-      => (device.usb.DeviceInfo? result);
+  GetPermission(array<device.mojom.UsbDeviceFilter> device_filters)
+      => (device.mojom.UsbDeviceInfo? result);
 };