[Media Router] 2nd take on fix route response callback lifetime in UI.

chrome/browser/media/router/media_router.gypi

 # Copyright (c) 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.
 
 {
   'variables': {
     # File lists shared with GN build.
     'media_router_sources': [
-      'create_session_request.cc',
-      'create_session_request.h',
+      'create_presentation_session_request.cc',
+      'create_presentation_session_request.h',
       'issue.cc',
       'issue.h',
       'issue_manager.cc',
       'issue_manager.h',
       'issues_observer.h',
       'issues_observer.cc',
       'media_route.cc',
       'media_route.h',
       'media_router.h',
       'media_router_mojo_impl.cc',
@@ skipping 24 matching lines @@
       'media_router_mojo_test.h',
       'mock_media_router.cc',
       'mock_media_router.h',
       'mock_screen_availability_listener.cc',
       'mock_screen_availability_listener.h',
       'test_helper.cc',
       'test_helper.h',
     ],
   },
 }