Remove need to sign in to use the App Launcher.

ui/app_list/app_list.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,
   },
   'targets': [
     {
@@ skipping 52 matching lines @@
         'cocoa/apps_search_box_controller.h',
         'cocoa/apps_search_box_controller.mm',
         'cocoa/apps_search_results_controller.h',
         'cocoa/apps_search_results_controller.mm',
         'cocoa/apps_search_results_model_bridge.h',
         'cocoa/apps_search_results_model_bridge.mm',
         'cocoa/item_drag_controller.h',
         'cocoa/item_drag_controller.mm',
         'cocoa/scroll_view_with_no_scrollbars.h',
         'cocoa/scroll_view_with_no_scrollbars.mm',
-        'cocoa/signin_view_controller.h',
-        'cocoa/signin_view_controller.mm',
         'pagination_model.cc',
         'pagination_model.h',
         'pagination_model_observer.h',
         'search_box_model.cc',
         'search_box_model.h',
         'search_box_model_observer.h',
         'search_result.cc',
         'search_result.h',
-        'signin_delegate.cc',
-        'signin_delegate.h',
         'speech_ui_model.cc',
         'speech_ui_model.h',
         'speech_ui_model_observer.h',
         'views/apps_container_view.cc',
         'views/apps_container_view.h',
         'views/app_list_background.cc',
         'views/app_list_background.h',
         'views/app_list_drag_and_drop_host.h',
         'views/app_list_folder_view.cc',
         'views/app_list_folder_view.h',
@@ skipping 30 matching lines @@
         'views/search_box_view.cc',
         'views/search_box_view.h',
         'views/search_box_view_delegate.h',
         'views/search_result_actions_view.cc',
         'views/search_result_actions_view.h',
         'views/search_result_list_view.cc',
         'views/search_result_list_view.h',
         'views/search_result_list_view_delegate.h',
         'views/search_result_view.cc',
         'views/search_result_view.h',
-        'views/signin_view.cc',
-        'views/signin_view.h',
         'views/speech_view.cc',
         'views/speech_view.h',
         'views/start_page_view.cc',
         'views/start_page_view.h',
         'views/tile_item_view.cc',
         'views/tile_item_view.h',
         'views/top_icon_animation_view.cc',
         'views/top_icon_animation_view.h',
       ],
       'conditions': [
@@ skipping 67 matching lines @@
       ],
       'sources': [
         'app_list_item_list_unittest.cc',
         'app_list_model_unittest.cc',
         'pagination_model_unittest.cc',
         'cocoa/app_list_view_controller_unittest.mm',
         'cocoa/app_list_window_controller_unittest.mm',
         'cocoa/apps_grid_controller_unittest.mm',
         'cocoa/apps_search_box_controller_unittest.mm',
         'cocoa/apps_search_results_controller_unittest.mm',
-        'cocoa/signin_view_controller_unittest.mm',
         'cocoa/test/apps_grid_controller_test_helper.h',
         'cocoa/test/apps_grid_controller_test_helper.mm',
         'test/run_all_unittests.cc',
         'views/app_list_main_view_unittest.cc',
         'views/app_list_view_unittest.cc',
         'views/apps_grid_view_unittest.cc',
         'views/folder_header_view_unittest.cc',
         'views/search_box_view_unittest.cc',
         'views/search_result_list_view_unittest.cc',
         'views/speech_view_unittest.cc',
@@ skipping 83 matching lines @@
               'dependencies': [
                 '../../sandbox/sandbox.gyp:sandbox',
               ],
             }],
           ],
         },
       ],
     }],  # toolkit_views==1
   ],
 }