Remove retail mode.

ash/ash.gyp

 # 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': {
     'chromium_code': 1,
     'grit_out_dir': '<(SHARED_INTERMEDIATE_DIR)/chrome',
     # These files lists are shared with the GN build.
     'ash_sources': [
@@ skipping 772 matching lines @@
       'frame/caption_buttons/frame_caption_button_container_view_unittest.cc',
       'frame/caption_buttons/frame_size_button_unittest.cc',
       'frame/custom_frame_view_ash_unittest.cc',
       'frame/default_header_painter_unittest.cc',
       'host/ash_window_tree_host_x11_unittest.cc',
       'keyboard_overlay/keyboard_overlay_delegate_unittest.cc',
       'keyboard_overlay/keyboard_overlay_view_unittest.cc',
       'magnifier/magnification_controller_unittest.cc',
       'root_window_controller_unittest.cc',
       'screen_util_unittest.cc',
-      'screensaver/screensaver_view_unittest.cc',
       'shelf/scoped_observer_with_duplicated_sources_unittest.cc',
       'shelf/shelf_layout_manager_unittest.cc',
       'shelf/shelf_model_unittest.cc',
       'shelf/shelf_navigator_unittest.cc',
       'shelf/shelf_tooltip_manager_unittest.cc',
       'shelf/shelf_unittest.cc',
       'shelf/shelf_view_unittest.cc',
       'shelf/shelf_widget_unittest.cc',
       'shelf/shelf_window_watcher_unittest.cc',
       'shell_unittest.cc',
@@ skipping 199 matching lines @@
         'ash_strings.gyp:ash_strings',
       ],
       'defines': [
         'ASH_WITH_CONTENT_IMPLEMENTATION',
       ],
       'sources': [
         # Note: sources list duplicated in GN build.
         'content_support/ash_with_content_export.h',
         'content_support/gpu_support_impl.cc',
         'content_support/gpu_support_impl.h',
-        'screensaver/screensaver_view.cc',
-        'screensaver/screensaver_view.h',
         'keyboard_overlay/keyboard_overlay_delegate.cc',
         'keyboard_overlay/keyboard_overlay_delegate.h',
         'keyboard_overlay/keyboard_overlay_view.cc',
         'keyboard_overlay/keyboard_overlay_view.h',
       ],
     },
     {
       # GN version: //ash:test_support
       'target_name': 'ash_test_support',
       'type': 'static_library',
@@ skipping 264 matching lines @@
             '../build/isolate.gypi',
           ],
           'sources': [
             'ash_unittests.isolate',
           ],
         },
       ],
     }],
   ],
 }