Fix to enable toggling accessibility using Ctrl+Alt+Z

chrome/browser/chromeos/login/wizard_accessibility_handler.h

 // Copyright (c) 2010 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_LOGIN_WIZARD_ACCESSIBILITY_HANDLER_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_WIZARD_ACCESSIBILITY_HANDLER_H_
 #pragma once
 
 #include <string>
 
 #include "base/gtest_prod_util.h"
+#include "chrome/browser/chromeos/cros/speech_synthesis_library.h"
 #include "chrome/common/notification_observer.h"
 #include "chrome/common/notification_source.h"
 #include "chrome/common/notification_type.h"
 
 class AccessibilityControlInfo;
 class AccessibilityTextBoxInfo;
 
 namespace chromeos {
 
-enum EarconType {
-  NO_EARCON,
-  EARCON_BUTTON,
-  EARCON_CHECK_OFF,
-  EARCON_CHECK_ON,
-  EARCON_ELLIPSES,
-  EARCON_LINK,
-  EARCON_LISTBOX,
-  EARCON_MENU,
-  EARCON_OBJECT_OPENED,
-  EARCON_OBJECT_CLOSED,
-  EARCON_TAB,
-  EARCON_TEXTBOX,
-};
-
 // Class that handles the accessibility notifications and generates
 // appropriate spoken/audio feedback.
 class WizardAccessibilityHandler : public NotificationObserver {
  public:
   WizardAccessibilityHandler() { }
 
   // Speaks the specified string.
   void Speak(const char* speak_str, bool queue, bool interruptible);
 
+  // Plays the specified earcon
+  void PlayEarcon(EarconType earcon_type);
+
  private:
   // Override from NotificationObserver.
   virtual void Observe(NotificationType type,
                        const NotificationSource& source,
                        const NotificationDetails& details);
 
   // Get text to speak and an earcon identifier (which may be NONE) for any
   // accessibility event.
   void DescribeAccessibilityEvent(NotificationType event_type,
                                   const AccessibilityControlInfo* control_info,
@@ skipping 35 matching lines @@
   friend class WizardAccessibilityHandlerTest;
   FRIEND_TEST_ALL_PREFIXES(WizardAccessibilityHandlerTest, TestFocusEvents);
   FRIEND_TEST_ALL_PREFIXES(WizardAccessibilityHandlerTest, TestTextEvents);
 
   DISALLOW_COPY_AND_ASSIGN(WizardAccessibilityHandler);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_WIZARD_ACCESSIBILITY_HANDLER_H_