MD-Settings: A11y - Label drop down menus.

chrome/app/settings_strings.grdp

 <?xml version="1.0" encoding="utf-8"?>
 <!-- Settings-specific strings (included from generated_resources.grd). -->
 <grit-part>
   <!-- Main Page -->
   <if expr="chromeos">
     <message name="IDS_SETTINGS_SECONDARY_USER_BANNER" desc="Banner displayed in settings page when the user is secondary in a multi-profile session.">
       Some settings belonging to <ph name="PRIMARY_EMAIL">$1<ex>john@google.com</ex></ph> are being shared with you. These settings only affect your account when using multiple sign-in.
     </message>
   </if>
 
@@ skipping 1808 matching lines @@
   </message>
   <message name="IDS_SETTINGS_SITE_SETTINGS_AUTOMATIC_DOWNLOADS" desc="Label for the automatic downloads site settings.">
     Automatic downloads
   </message>
   <message name="IDS_SETTINGS_SITE_SETTINGS_BACKGROUND_SYNC" desc="Label for the background sync site settings.">
     Background sync
   </message>
   <message name="IDS_SETTINGS_SITE_SETTINGS_CAMERA" desc="Label for the camera site settings.">
     Camera
   </message>
+  <message name="IDS_SETTINGS_SITE_SETTINGS_CAMERA_LABEL" desc="The accessibility label of the 'camera device' select menu">
+    Camera
+  </message>
   <message name="IDS_SETTINGS_SITE_SETTINGS_COOKIES" desc="Label for the cookies site settings.">
     Cookies
   </message>
   <message name="IDS_SETTINGS_SITE_SETTINGS_HANDLERS" desc="Label for the protocol handlers (e.g. mailto) in site settings.">
     Handlers
   </message>
   <message name="IDS_SETTINGS_SITE_SETTINGS_LOCATION" desc="Label for the location site settings.">
     Location
   </message>
   <message name="IDS_SETTINGS_SITE_SETTINGS_MIC" desc="Label for the microphone site settings.">
     Microphone
   </message>
+  <message name="IDS_SETTINGS_SITE_SETTINGS_MIC_LABEL" desc="The accessibility label of the 'microphone device' select menu">
+    Microphone
+  </message>
   <message name="IDS_SETTINGS_SITE_SETTINGS_NOTIFICATIONS" desc="Label for notifications sites site settings.">
     Notifications
   </message>
   <message name="IDS_SETTINGS_SITE_SETTINGS_IMAGES" desc="Label for the images site settings.">
     Images
   </message>
   <message name="IDS_SETTINGS_SITE_SETTINGS_JAVASCRIPT" desc="Label for the javascript site settings.">
     JavaScript
   </message>
   <message name="IDS_SETTINGS_SITE_SETTINGS_FLASH" desc="Label for the Flash site settings.">
@@ skipping 1129 matching lines @@
       System
     </message>
     <message name="IDS_SETTINGS_SYSTEM_HARDWARE_ACCELERATION_LABEL" desc="Label for the checkbox that forces Chrome to render via hardware acceleration (GPU) when available.">
       Use hardware acceleration when available
     </message>
     <message name="IDS_SETTINGS_SYSTEM_PROXY_SETTINGS_LABEL" desc="Label for the control that opens a user's network proxy settings.">
       Open proxy settings
     </message>
   </if>
 </grit-part>