A11y setting: mono audio UI

chrome/browser/ui/ash/chrome_shell_delegate_chromeos.cc

 // Copyright 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.
 
 #include "chrome/browser/ui/ash/chrome_shell_delegate.h"
 
 #include "ash/accelerators/magnifier_key_scroller.h"
 #include "ash/accelerators/spoken_feedback_toggler.h"
 #include "ash/accessibility_delegate.h"
 #include "ash/wm/mru_window_tracker.h"
@@ skipping 129 matching lines @@
     DCHECK(chromeos::AccessibilityManager::Get());
     return chromeos::AccessibilityManager::Get()->
         EnableVirtualKeyboard(enabled);
   }
 
   bool IsVirtualKeyboardEnabled() const override {
     DCHECK(chromeos::AccessibilityManager::Get());
     return chromeos::AccessibilityManager::Get()->IsVirtualKeyboardEnabled();
   }
 
+  void SetMonoAudioEnabled(bool enabled) override {
+    DCHECK(chromeos::AccessibilityManager::Get());
+    return chromeos::AccessibilityManager::Get()->
+        EnableMonoAudio(enabled);
+  }
+
+  bool IsMonoAudioEnabled() const override {
+    DCHECK(chromeos::AccessibilityManager::Get());
+    return chromeos::AccessibilityManager::Get()->IsMonoAudioEnabled();
+  }
+
   void SetCaretHighlightEnabled(bool enabled) override {
     DCHECK(chromeos::AccessibilityManager::Get());
     chromeos::AccessibilityManager::Get()->SetCaretHighlightEnabled(enabled);
   }
 
   bool IsCaretHighlightEnabled() const override {
     DCHECK(chromeos::AccessibilityManager::Get());
     return chromeos::AccessibilityManager::Get()->IsCaretHighlightEnabled();
   }
 
@@ skipping 185 matching lines @@
 }
 
 void ChromeShellDelegate::PlatformInit() {
   registrar_.Add(this,
                  chrome::NOTIFICATION_LOGIN_USER_PROFILE_PREPARED,
                  content::NotificationService::AllSources());
   registrar_.Add(this,
                  chrome::NOTIFICATION_SESSION_STARTED,
                  content::NotificationService::AllSources());
 }