Getting rid of GetDefaultProfile & fixing multi user issues with accessibility

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',
   },
   'includes': [
@@ skipping 167 matching lines @@
         'rotator/screen_rotation.cc',
         'rotator/screen_rotation.h',
         'scoped_target_root_window.cc',
         'scoped_target_root_window.h',
         'screen_ash.cc',
         'screen_ash.h',
         'screensaver/screensaver_view.cc',
         'screensaver/screensaver_view.h',
         'screenshot_delegate.h',
         'session_state_delegate.h',
+        'session_state_observer.cc',
         'session_state_observer.h',
         'shelf/alternate_app_list_button.cc',
         'shelf/alternate_app_list_button.h',
         'shelf/app_list_button.cc',
         'shelf/app_list_button.h',
         'shelf/app_list_shelf_item_delegate.cc',
         'shelf/app_list_shelf_item_delegate.h',
         'shelf/background_animator.cc',
         'shelf/background_animator.h',
         'shelf/overflow_bubble.cc',
@@ skipping 804 matching lines @@
             },
           },
           'dependencies': [
             '../sandbox/sandbox.gyp:sandbox',
           ],
         }],
       ],
     },
   ],
 }