Make chrome/browser/chromeos/accessibility compile on Athena with use_ash=0

chrome/chrome_browser_chromeos.gypi

 # Copyright (c) 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': {
     # These files lists are shared with the GN build.
     'browser_chromeos_sources': [
         # All .cc, .h, .m, and .mm files under browser/chromeos, except for tests
         # and mocks.
         'browser/chromeos/accessibility/accessibility_manager.cc',
         'browser/chromeos/accessibility/accessibility_manager.h',
         'browser/chromeos/accessibility/accessibility_util.cc',
         'browser/chromeos/accessibility/accessibility_util.h',
-        'browser/chromeos/accessibility/magnification_manager.cc',
-        'browser/chromeos/accessibility/magnification_manager.h',
         'browser/chromeos/app_mode/app_session_lifetime.cc',
         'browser/chromeos/app_mode/app_session_lifetime.h',
         'browser/chromeos/app_mode/app_launch_utils.cc',
         'browser/chromeos/app_mode/app_launch_utils.h',
         'browser/chromeos/app_mode/certificate_manager_dialog.cc',
         'browser/chromeos/app_mode/certificate_manager_dialog.h',
         'browser/chromeos/app_mode/kiosk_app_data.cc',
         'browser/chromeos/app_mode/kiosk_app_data.h',
         'browser/chromeos/app_mode/kiosk_app_data_delegate.h',
         'browser/chromeos/app_mode/kiosk_app_external_loader.cc',
@@ skipping 917 matching lines @@
         'browser/supervised_user/chromeos/manager_password_service.cc',
         'browser/supervised_user/chromeos/manager_password_service.h',
         'browser/supervised_user/chromeos/manager_password_service_factory.cc',
         'browser/supervised_user/chromeos/manager_password_service_factory.h',
         'browser/supervised_user/chromeos/supervised_user_password_service.cc',
         'browser/supervised_user/chromeos/supervised_user_password_service.h',
         'browser/supervised_user/chromeos/supervised_user_password_service_factory.cc',
         'browser/supervised_user/chromeos/supervised_user_password_service_factory.h',
     ],
     'browser_chromeos_non_athena_sources': [
+        'browser/chromeos/accessibility/magnification_manager.cc',
+        'browser/chromeos/accessibility/magnification_manager.h',
         'browser/chromeos/background/ash_user_wallpaper_delegate.cc',
         'browser/chromeos/background/ash_user_wallpaper_delegate.h',
         'browser/chromeos/login/users/wallpaper/wallpaper_manager.cc',
         'browser/chromeos/login/users/wallpaper/wallpaper_manager.h',
     ],
     # These files lists are shared with the GN build.
     'browser_chromeos_extension_sources': [
             # Only extension API implementations should go here.
             'browser/chromeos/extensions/echo_private_api.cc',
             'browser/chromeos/extensions/echo_private_api.h',
@@ skipping 300 matching lines @@
         'browser/chromeos/attestation/attestation_signed_data.proto',
       ],
       'variables': {
         'proto_in_dir': 'browser/chromeos/attestation',
         'proto_out_dir': 'chrome/browser/chromeos/attestation',
       },
       'includes': [ '../build/protoc.gypi' ]
     },
   ],
 }