Move web modal dialog manager files into the constrained_window component.

extensions/shell/app_shell.gypi

 # 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.
 
 {
   'variables': {
     'app_shell_lib_sources': [
       'app/paths_mac.h',
       'app/paths_mac.mm',
       'app/shell_main_delegate.cc',
@@ skipping 61 matching lines @@
       'browser/shell_runtime_api_delegate.cc',
       'browser/shell_runtime_api_delegate.h',
       'browser/shell_special_storage_policy.cc',
       'browser/shell_special_storage_policy.h',
       'browser/shell_speech_recognition_manager_delegate.cc',
       'browser/shell_speech_recognition_manager_delegate.h',
       'browser/shell_update_query_params_delegate.cc',
       'browser/shell_update_query_params_delegate.h',
       'browser/shell_url_request_context_getter.cc',
       'browser/shell_url_request_context_getter.h',
-      'browser/shell_web_contents_modal_dialog_manager.cc',
       'common/shell_content_client.cc',
       'common/shell_content_client.h',
       'common/shell_extensions_client.cc',
       'common/shell_extensions_client.h',
       'common/switches.cc',
       'common/switches.h',
       'renderer/shell_content_renderer_client.cc',
       'renderer/shell_content_renderer_client.h',
       'renderer/shell_extensions_renderer_client.cc',
       'renderer/shell_extensions_renderer_client.h',
@@ skipping 36 matching lines @@
       'browser/shell_screen_unittest.cc',
     ],
     'app_shell_unittests_sources_chromeos': [
       'browser/shell_audio_controller_chromeos_unittest.cc',
     ],
     'app_shell_unittests_sources_nacl': [
       'browser/shell_nacl_browser_delegate_unittest.cc',
     ],
   },
 }