A11y setting: mono audio UI

ash/default_accessibility_delegate.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 "ash/default_accessibility_delegate.h"
 
 #include <limits>
 
 namespace ash {
 
@@ skipping 46 matching lines @@
 }
 
 void DefaultAccessibilityDelegate::SetVirtualKeyboardEnabled(bool enabled) {
   virtual_keyboard_enabled_ = enabled;
 }
 
 bool DefaultAccessibilityDelegate::IsVirtualKeyboardEnabled() const {
   return virtual_keyboard_enabled_;
 }
 
+void DefaultAccessibilityDelegate::SetMonoAudioEnabled(bool enabled) {
+  mono_audio_enabled_ = enabled;
+}
+
+bool DefaultAccessibilityDelegate::IsMonoAudioEnabled() const {
+  return mono_audio_enabled_;
+}
+
 void DefaultAccessibilityDelegate::SetCaretHighlightEnabled(bool enabled) {
   caret_highlight_enabled_ = enabled;
 }
 
 bool DefaultAccessibilityDelegate::IsCaretHighlightEnabled() const {
   return caret_highlight_enabled_;
 }
 
 void DefaultAccessibilityDelegate::SetCursorHighlightEnabled(bool enabled) {
   cursor_highlight_enabled_ = enabled;
@@ skipping 26 matching lines @@
 bool DefaultAccessibilityDelegate::IsSwitchAccessEnabled() const {
   return switch_access_enabled_;
 }
 
 bool DefaultAccessibilityDelegate::ShouldShowAccessibilityMenu() const {
   return spoken_feedback_enabled_ ||
          high_contrast_enabled_ ||
          screen_magnifier_enabled_ ||
          large_cursor_enabled_ ||
          autoclick_enabled_ ||
-         virtual_keyboard_enabled_;
+         virtual_keyboard_enabled_ ||
+         mono_audio_enabled_;
 }
 
 bool DefaultAccessibilityDelegate::IsBrailleDisplayConnected() const {
   return false;
 }
 
 void DefaultAccessibilityDelegate::SilenceSpokenFeedback() const {
 }
 
 void DefaultAccessibilityDelegate::ToggleSpokenFeedback(
@@ skipping 19 matching lines @@
 }
 
 void DefaultAccessibilityDelegate::PlayEarcon(int sound_key) {
 }
 
 base::TimeDelta DefaultAccessibilityDelegate::PlayShutdownSound() const {
   return base::TimeDelta();
 }
 
 }  // namespace ash