Move c/b/media/router/mojo/*.mojom to chrome/common/media_router/mojo/*.mojom

chrome/common/media_router/mojo/dial_device_description_parser.mojom

 // 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.
 
 // DIAL device description parsing interface provided by the utility process and
 // exposed by mojo policy control to the chrome browser process.
 
 module chrome.mojom;
 
 struct DialDeviceDescription {
@@ skipping 14 matching lines @@
   // Parses |device_description_xml_data| to get device description data. If
   // parsing succeeds, invokes callback with valid |device_description|.
   // Otherwise invokes callback with nullptr.
   // |device_description|: device description object. Empty if parsing fails.
   // Spec for DIAL device description:
   // http://upnp.org/specs/arch/UPnP-arch-DeviceArchitecture-v2.0.pdf
   // Section 2.3 Device description.
   ParseDialDeviceDescription(string device_description_xml_data)
       => (DialDeviceDescription? device_description);
 };