[Media Router] Add a supports_web_ui_controller attribute to MediaRoute

chrome/browser/resources/media_router/elements/media_router_container/compiled_resources2.gyp

 # Copyright 2016 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.
 {
   'targets': [
     {
       'target_name': 'media_router_container',
       'dependencies': [
         'pseudo_sink_search_state',
         '../../compiled_resources2.gyp:externs',
         '../../compiled_resources2.gyp:media_router_browser_api',
         '../../compiled_resources2.gyp:media_router_data',
         '../../elements/issue_banner/compiled_resources2.gyp:issue_banner',
         '../../elements/media_router_header/compiled_resources2.gyp:media_router_header',
         '../../elements/media_router_search_highlighter/compiled_resources2.gyp:media_router_search_highlighter',
         '../../elements/route_details/compiled_resources2.gyp:route_details',
       ],
       'includes': ['../../../../../../third_party/closure_compiler/compile_js2.gypi'],
     },
     {
       'target_name': 'media_router_container_interface',
       'dependencies': [
         '../../compiled_resources2.gyp:media_router_data',
+        '../../elements/media_router_header/compiled_resources2.gyp:media_router_header',
       ],
       'includes': ['../../../../../../third_party/closure_compiler/compile_js2.gypi'],
     },
     {
       'target_name': 'pseudo_sink_search_state',
       'dependencies': [
         '../../compiled_resources2.gyp:media_router_data',
       ],
       'includes': ['../../../../../../third_party/closure_compiler/compile_js2.gypi'],
     },
   ],
 }