Delete dead signin code (SigninGlobalError)

chrome/chrome_browser.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': {
     # All .cc, .h, .m, and .mm files under browser except for:
     # * tests and mocks.
     # * code below browser/chromeos
     # * code below browser/extensions
@@ skipping 899 matching lines @@
       'browser/media/protected_media_identifier_permission_context_factory.h',
       'browser/metrics/chromeos_metrics_provider.cc',
       'browser/metrics/chromeos_metrics_provider.h',
       'browser/metrics/windowed_incognito_observer.cc',
       'browser/metrics/windowed_incognito_observer.h',
       # This is technically also dependent on enable_plugins but we don't
       # support ChromeOS with enable_plugins==0.
       'browser/renderer_host/pepper/pepper_platform_verification_message_filter.cc',
       'browser/renderer_host/pepper/pepper_platform_verification_message_filter.h',
     ],
-    # Used everywhere but ChromeOS.
-    'chrome_browser_non_chromeos_sources': [
-      'browser/signin/signin_global_error.cc',
-      'browser/signin/signin_global_error.h',
-      'browser/signin/signin_global_error_factory.cc',
-      'browser/signin/signin_global_error_factory.h',
-    ],
     # Everything but Android, iOS, and CrOS.
     'chrome_browser_desktop_sources': [
       'browser/platform_util.cc',
       'browser/profiles/avatar_menu_actions_desktop.cc',
       'browser/profiles/avatar_menu_actions_desktop.h',
       'browser/profiles/avatar_menu_desktop.cc',
       'browser/profiles/avatar_menu_observer.h',
       'browser/profiles/profile_list_desktop.cc',
       'browser/profiles/profile_list_desktop.h',
       'browser/signin/cross_device_promo.cc',
@@ skipping 2590 matching lines @@
             '<@(chrome_browser_chromeos_sources)',
 
             # This file is generated by GRIT.
             '<(SHARED_INTERMEDIATE_DIR)/ui/chromeos/resources/grit/ui_chromeos_resources_map.cc',
           ],
           'dependencies': [
             'browser_chromeos',
             '../components/components.gyp:user_manager',
             '../ui/chromeos/ui_chromeos.gyp:ui_chromeos_resources',
           ],
-        }, {  # Non-ChromeOS.
-          'sources': [ '<@(chrome_browser_non_chromeos_sources)' ],
         }],
         ['use_cups==1', {
           'dependencies': [
             '../printing/printing.gyp:cups',
           ],
         }],
         ['use_gnome_keyring==1', {
           'sources': [ '<@(chrome_browser_gnome_keyring_sources)' ],
           'dependencies': [
             '../build/linux/system.gyp:gnome_keyring',
@@ skipping 560 matching lines @@
             '../components/components.gyp:omnibox_browser',
             '../components/components.gyp:rlz',
             '../components/components.gyp:search_engines',
             '../rlz/rlz.gyp:rlz_lib',
           ],
         },
       ],
     }],
   ],
 }