String for unified desktop mode settings

chrome/app/chromeos_strings.grdp

 <?xml version="1.0" encoding="utf-8"?>
 <!-- ChromeOS-specific strings (included from generated_resources.grd).
      Everything in this file is wrapped in <if expr="chromeos">. -->
 <grit-part>
   <message name="IDS_EMPTY_STRING" desc="Empty string, exist only to make code generic. No translation required.">
   </message>
   <message name="IDS_CHROMEBOOK" desc="The localized name for Chromebook.">
     Chromebook
   </message>
   <message name="IDS_CHROMEBOX" desc="The localized name for Chromebox">
@@ skipping 2325 matching lines @@
   </message>
   <message name="IDS_OPTIONS_SETTINGS_DISPLAY_OPTIONS_START_MIRRORING" desc="Button label to start display mirroring.">
     Start mirroring
   </message>
   <message name="IDS_OPTIONS_SETTINGS_DISPLAY_OPTIONS_STOP_MIRRORING" desc="Button label to stop display mirroring.">
     Stop mirroring
   </message>
   <message name="IDS_OPTIONS_SETTINGS_DISPLAY_OPTIONS_MIRRORING_DISPLAY_NAME" desc="The text shown at display name field when mirroring.">
     Mirroring
   </message>
+  <message name="IDS_OPTIONS_SETTINGS_DISPLAY_OPTIONS_ENABLE_UNIFIED_DESKTOP" desc="The section title for the option to enable unified desktop mode.">
+    Enable Unified Desktop
+  </message>
   <message name="IDS_OPTIONS_SETTINGS_DISPLAY_OPTIONS_SET_PRIMARY" desc="Button label to set a display primary.">
     Make primary
   </message>
   <message name="IDS_OPTIONS_SETTINGS_DISPLAY_OPTIONS_RESOLUTION_ANNOTATION_BEST" desc="The text shown for resolution options to annotate this is the best resolution.">
     (Best)
   </message>
   <message name="IDS_OPTIONS_SETTINGS_DISPLAY_OPTIONS_RESOLUTION_ANNOTATION_NATIVE" desc="The text shown for resolution options to annotate this is the native resolution.">
     (Native)
   </message>
   <message name="IDS_OPTIONS_SETTINGS_DISPLAY_OPTIONS_STANDARD_ORIENTATION" desc="The default value of display orientation option item.">
@@ skipping 4007 matching lines @@
     Could not connect to the Chrome Web Store.
   </message>
   <message name="IDS_FLAGS_PRINTER_PROVIDER_SEARCH_APP_NAME" desc="Name of the flag used to enable launching Chrome Web Store Gallery widget app for searching for printer provider apps.">
     Chrome Web Store Gallery app for printer drivers
   </message>
   <message name="IDS_FLAGS_PRINTER_PROVIDER_SEARCH_APP_DESCRIPTION" desc="Description of a flag in chrome://flags that enables launching Chrome Web Store Gallery widget app for searching for printer provider apps.">
     Enables Chrome Web Store Gallery app for printer drivers. The app searches Chrome Web Store for extensions that support printing to a USB printer with specific USB ID.
   </message>
 
 </grit-part>