A11y setting: mono audio UI

tools/metrics/actions/actions.xml

 <!--
 Copyright 2014 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.
 -->
 
 <!--
 This file is a comprehensive list of Chrome user actions along with the owner
 and description for each user action. A user action should be tied to an actual
 action taken by a user. It should be logged immediately after a user takes the
@@ skipping 9485 matching lines @@
 <action name="Options_AccessibilityLargeMouseCursor_Enable">
   <owner>stevenjb@chromium.org</owner>
   <description>Settings: Accessibility: Enable large mouse cursor</description>
 </action>
 
 <action name="Options_AccessibilityLearnMore">
   <owner>stevenjb@chromium.org</owner>
   <description>Settings: Accessibility: Learn More</description>
 </action>
 
+<action name="Options_AccessibilityMonoAudio_Disable">
+  <owner>warx@chromium.org</owner>
+  <description>
+    Settings: Disable play the same audio through all speakers (mono audio)
+  </description>
+</action>
+
+<action name="Options_AccessibilityMonoAudio_Enable">
+  <owner>warx@chromium.org</owner>
+  <description>
+    Settings: Enable play the same audio through all speakers (mono audio)
+  </description>
+</action>
+
 <action name="Options_AccessibilityOnScreenKeyboard_Disable">
   <owner>stevenjb@chromium.org</owner>
   <description>Settings: Accessibility: Disable on-screen keyboard</description>
 </action>
 
 <action name="Options_AccessibilityOnScreenKeyboard_Enable">
   <owner>stevenjb@chromium.org</owner>
   <description>Settings: Accessibility: Enable on-screen keyboard</description>
 </action>
 
@@ skipping 4647 matching lines @@
 <action name="webapps.AddShortcut.Manifest">
   <owner>mlamouri@chromium.org</owner>
   <description>
     Shortcut added to the homescreen with a valid Manifest. This action will be
     recorded in addition to AppShortcut, AppShortcutApple and Bookmark actions
     to keep a trend of whether the webapp also add meta tags.
   </description>
 </action>
 
 </actions>