[Media Router] Reland of "Media Router GYP/GN cleanup".

chrome/chrome_browser_ui.gypi

 # Copyright 2012 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.
 
 {
   'variables': {
     # There are two sections of sources:
     # * "Platform"-based sources (OS, toolkit, etc.)
     # * Feature/directory-based sources (e.g., history, printing)
 
@@ skipping 3138 matching lines @@
             'browser/extensions/api/api_registration.gyp:chrome_api_registration',
             'common/extensions/api/api.gyp:chrome_api',
           ],
           'sources': [ '<@(chrome_browser_ui_extensions_sources)' ],
         }],
         ['enable_google_now==1 and OS!="android"', {
           'sources': [ '<@(chrome_browser_ui_google_now_non_android_sources)' ],
         }],
         ['enable_media_router==1', {
           'dependencies': [
-              'browser/media/router/media_router.gyp:media_router',
+            'browser/media/router/media_router.gyp:media_router',
           ],
           'sources': [ '<@(chrome_browser_ui_media_router_sources)' ],
         }],
         ['enable_supervised_users==0', {
           'sources!': [
             'browser/ui/views/profiles/supervised_user_avatar_label.cc',
             'browser/ui/views/profiles/supervised_user_avatar_label.h',
             'browser/ui/webui/options/supervised_user_create_confirm_handler.cc',
             'browser/ui/webui/options/supervised_user_create_confirm_handler.h',
             'browser/ui/webui/options/supervised_user_import_handler.cc',
@@ skipping 25 matching lines @@
           ],
           'sources': [
             '<@(chrome_browser_ui_non_mobile_sources)',
             '<@(chrome_browser_ui_omnibox_non_mobile_sources)',
           ],
         }],
       ],
     },
   ],
 }