Remove dependency on NotificationService for cros a11y settings.

chrome/browser/chrome_notification_types.h

 // 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.
 
 #ifndef CHROME_BROWSER_CHROME_NOTIFICATION_TYPES_H_
 #define CHROME_BROWSER_CHROME_NOTIFICATION_TYPES_H_
 
 #include "build/build_config.h"
 #include "content/public/browser/notification_types.h"
 
@@ skipping 835 matching lines @@
   // updating RequirePin setting. RequirePin setting might have been changed
   // to a new value or update might have been canceled.
   // In either case notification is sent and details contain a bool
   // that represents current value.
   NOTIFICATION_REQUIRE_PIN_SETTING_CHANGE_ENDED,
 
   // Sent by SIM unlock dialog when it has finished the EnterPin or
   // EnterPuk dialog, either because the user cancelled, or entered a
   // PIN or PUK.
   NOTIFICATION_ENTER_PIN_ENDED,
-
-  // Sent when large cursor is toggled.
-  NOTIFICATION_CROS_ACCESSIBILITY_TOGGLE_LARGE_CURSOR,
-
-  // Sent when high contrast mode is toggled.
-  NOTIFICATION_CROS_ACCESSIBILITY_TOGGLE_HIGH_CONTRAST_MODE,
-
-  // Sent when screen magnifier is toggled.
-  NOTIFICATION_CROS_ACCESSIBILITY_TOGGLE_SCREEN_MAGNIFIER,
-
-  // Sent when spoken feedback is toggled.
-  NOTIFICATION_CROS_ACCESSIBILITY_TOGGLE_SPOKEN_FEEDBACK,
-
-  // Sent when a11y on-screen keyboard is toggled.
-  NOTIFICATION_CROS_ACCESSIBILITY_TOGGLE_VIRTUAL_KEYBOARD,
-
 #endif
 
 #if defined(TOOLKIT_VIEWS)
   // Sent when a bookmark's context menu is shown. Used to notify
   // tests that the context menu has been created and shown.
   NOTIFICATION_BOOKMARK_CONTEXT_MENU_SHOWN,
 
   // Notification that the nested loop using during tab dragging has returned.
   // Used for testing.
   NOTIFICATION_TAB_DRAG_LOOP_DONE,
@@ skipping 128 matching lines @@
   // Note:-
   // Currently only Content and Chrome define and use notifications.
   // Custom notifications not belonging to Content and Chrome should start
   // from here.
   NOTIFICATION_CHROME_END,
 };
 
 }  // namespace chrome
 
 #endif  // CHROME_BROWSER_CHROME_NOTIFICATION_TYPES_H_