[Media Router] Parse device description xml in utility process

chrome/common/BUILD.gn

 # Copyright 2014 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.
 
 import("//build/buildflag_header.gni")
 import("//build/util/process_version.gni")
 import("//chrome/common/features.gni")
 import("//chrome/process_version_rc_template.gni")  # For branding_file_path.
 import("//extensions/features/features.gni")
 import("//mojo/public/tools/bindings/mojom.gni")
@@ skipping 515 matching lines @@
     ]
   }
 
   if (enable_pepper_cdms) {
     sources += [
       "media/cdm_host_file_path.cc",
       "media/cdm_host_file_path.h",
     ]
     public_deps += [ "//chrome/common:version_header" ]
   }
+
+  if (enable_media_router) {
+    sources += [
+      "media_router/dial_device_description.cc",
+      "media_router/dial_device_description.h",
+    ]
+  }
 }
 
 process_version("version_header") {
   # TODO(brettw) this should have more reduced visibility, but chrome/browser
   # currently depends on this.
   #visibility = [ ":*" ]
 
   sources = [
     "//build/util/LASTCHANGE",
     "//chrome/VERSION",
@@ skipping 166 matching lines @@
 mojom("instant_mojom") {
   sources = [
     "instant.mojom",
   ]
 
   public_deps = [
     "//mojo/common:common_custom_types",
     "//url/mojo:url_mojom_gurl",
   ]
 }