Track all profiles ChromeVox loads to.

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 "ash/accessibility_delegate.h"
 #include "ash/session_state_observer.h"
 #include "base/memory/weak_ptr.h"
@@ skipping 158 matching lines @@
   virtual void OnDisplayStateChanged(
       const extensions::api::braille_display_private::DisplayState&
           display_state) OVERRIDE;
 
   // EventRouter::Observer implementation.
   virtual void OnListenerAdded(
       const extensions::EventListenerInfo& details) OVERRIDE;
   virtual void OnListenerRemoved(
       const extensions::EventListenerInfo& details) OVERRIDE;
 
   // Plays sound identified by |sound_key| if |system_sounds_enabled_|.

[James Cook, 2014/01/06 20:38:19]

This comment isn't true anymore.

   // |sound_key| must be an ID for sound registered by
   // AccessibilityManager.  If there is no such sound or
   // !|system_sounds_enabled_|, sound isn't played.
   void PlaySound(int sound_key) const;
 
   // Profile which has the current a11y context.
   Profile* profile_;
 
   // Profile which ChromeVox is currently loaded to. If NULL, ChromeVox is not
   // loaded to any profile.
   bool chrome_vox_loaded_on_lock_screen_;
   bool chrome_vox_loaded_on_user_screen_;
 
+  // Set of profiles ChromeVox is loaded to.
+  std::set<Profile*> chromevox_profiles_;
+
   content::NotificationRegistrar notification_registrar_;
   scoped_ptr<PrefChangeRegistrar> pref_change_registrar_;
   scoped_ptr<PrefChangeRegistrar> local_state_pref_change_registrar_;
   scoped_ptr<ash::ScopedSessionStateObserver> session_state_observer_;
 
   PrefHandler large_cursor_pref_handler_;
   PrefHandler spoken_feedback_pref_handler_;
   PrefHandler high_contrast_pref_handler_;
   PrefHandler autoclick_pref_handler_;
   PrefHandler autoclick_delay_pref_handler_;
@@ skipping 12 matching lines @@
   bool should_speak_chrome_vox_announcements_on_user_screen_;
 
   bool system_sounds_enabled_;
 
   DISALLOW_COPY_AND_ASSIGN(AccessibilityManager);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_ACCESSIBILITY_ACCESSIBILITY_MANAGER_H_