Adds QueryResultManager support class for Media Router Dialog WebUI

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 1450 matching lines @@
       'browser/ui/webui/media_router/media_router_dialog_controller.cc',
       'browser/ui/webui/media_router/media_router_dialog_controller.h',
       'browser/ui/webui/media_router/media_router_localized_strings_provider.cc',
       'browser/ui/webui/media_router/media_router_localized_strings_provider.h',
       'browser/ui/webui/media_router/media_router_resources_provider.cc',
       'browser/ui/webui/media_router/media_router_resources_provider.h',
       'browser/ui/webui/media_router/media_router_ui.cc',
       'browser/ui/webui/media_router/media_router_ui.h',
       'browser/ui/webui/media_router/media_router_webui_message_handler.cc',
       'browser/ui/webui/media_router/media_router_webui_message_handler.h',
+      'browser/ui/webui/media_router/query_result_manager.cc',
+      'browser/ui/webui/media_router/query_result_manager.h',
     ],
     'chrome_browser_ui_non_mac_sources': [
       'browser/ui/web_contents_sizer.cc',
     ],
     'chrome_browser_ui_non_mobile_sources': [
       'browser/ui/apps/app_info_dialog.h',
       'browser/ui/apps/apps_metro_handler_win.cc',
       'browser/ui/apps/apps_metro_handler_win.h',
       'browser/ui/apps/chrome_app_delegate.cc',
       'browser/ui/apps/chrome_app_delegate.h',
@@ skipping 1708 matching lines @@
           ],
           'sources': [
             '<@(chrome_browser_ui_non_mobile_sources)',
             '<@(chrome_browser_ui_omnibox_non_mobile_sources)',
           ],
         }],
       ],
     },
   ],
 }