Fix AccessibilityExtensionLoader's handling of locked screen

chrome/browser/chromeos/accessibility/accessibility_manager.h

 // Copyright (c) 2013 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_CHROMEOS_ACCESSIBILITY_ACCESSIBILITY_MANAGER_H_
 #define CHROME_BROWSER_CHROMEOS_ACCESSIBILITY_ACCESSIBILITY_MANAGER_H_
 
 #include <set>
 
 #include "ash/common/accessibility_types.h"
 #include "ash/common/session/session_state_observer.h"
 #include "ash/common/shell_observer.h"
 #include "base/callback_forward.h"
 #include "base/callback_list.h"
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "base/scoped_observer.h"
 #include "base/time/time.h"
 #include "chrome/browser/chromeos/accessibility/accessibility_util.h"
 #include "chrome/browser/chromeos/accessibility/chromevox_panel.h"
 #include "chrome/browser/extensions/api/braille_display_private/braille_controller.h"
 #include "components/prefs/pref_change_registrar.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 #include "extensions/browser/event_router.h"
 #include "extensions/browser/extension_system.h"
 #include "ui/base/ime/chromeos/input_method_manager.h"
 
-namespace content {
-class RenderViewHost;
-}
-
 class Profile;
 
 namespace chromeos {
 
 class AccessibilityExtensionLoader;
 class AccessibilityHighlightManager;
 class SelectToSpeakEventHandler;
 
 enum AccessibilityNotificationType {
   ACCESSIBILITY_MANAGER_SHUTDOWN,
@@ skipping 185 matching lines @@
 
   static void SetBrailleControllerForTest(
       extensions::api::braille_display_private::BrailleController* controller);
 
   // Enables/disables system sounds.
   void EnableSystemSounds(bool system_sounds_enabled);
 
   // Initiates play of shutdown sound and returns it's duration.
   base::TimeDelta PlayShutdownSound();
 
-  // Injects ChromeVox scripts into given |render_view_host|.
-  void InjectChromeVox(content::RenderViewHost* render_view_host);
-
   // Register a callback to be notified when the status of an accessibility
   // option changes.
   std::unique_ptr<AccessibilityStatusSubscription> RegisterCallback(
       const AccessibilityStatusCallback& cb);
 
   // Notify registered callbacks of a status change in an accessibility setting.
   void NotifyAccessibilityStatusChanged(
       AccessibilityStatusEventDetails& details);
 
   // Notify accessibility when locale changes occur.
@@ skipping 128 matching lines @@
   bool virtual_keyboard_enabled_;
   bool mono_audio_enabled_;
   bool caret_highlight_enabled_;
   bool cursor_highlight_enabled_;
   bool focus_highlight_enabled_;
   bool select_to_speak_enabled_;
   bool switch_access_enabled_;
 
   ash::AccessibilityNotificationVisibility spoken_feedback_notification_;
 
-  bool should_speak_chrome_vox_announcements_on_user_screen_;
-
   bool system_sounds_enabled_;
 
   AccessibilityStatusCallbackList callback_list_;
 
   bool braille_display_connected_;
   ScopedObserver<extensions::api::braille_display_private::BrailleController,
                  AccessibilityManager> scoped_braille_observer_;
 
   bool braille_ime_current_;
 
@@ skipping 20 matching lines @@
       select_to_speak_event_handler_;
 
   base::WeakPtrFactory<AccessibilityManager> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(AccessibilityManager);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_ACCESSIBILITY_ACCESSIBILITY_MANAGER_H_