Adds ability for chrome to behave as mojo_runner

components/mus/BUILD.gn

 # 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.
 
 import("//build/config/ui.gni")
 import("//testing/test.gni")
 import("//mojo/public/mojo_application.gni")
 import("//mojo/public/mojo_application_manifest.gni")
 import("//tools/grit/repack.gni")
 
@@ skipping 18 matching lines @@
   }
 } else {
   mojo_native_application("mus") {
     sources = [
       "main.cc",
     ]
 
     deps = [
       ":lib",
       ":manifest",
+      "//mojo/platform_handle:for_shared_library",
       "//mojo/shell/public/cpp:sources",
     ]
 
     if (is_win) {
       deps += [ ":copy_gl_libraries" ]
     }
   }
 
   mojo_application_manifest("manifest") {
     application_name = "mus"
@@ skipping 85 matching lines @@
 
 repack("resources_200") {
   sources = [
     "$root_gen_dir/ui/resources/ui_resources_200_percent.pak",
   ]
   output = "$root_out_dir/mus/resources/mus_app_resources_200.pak"
   deps = [
     "//ui/resources",
   ]
 }