CrOS Settings: Add skeleton page for multidevice section.

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 3196 matching lines @@
     <message name="IDS_SETTINGS_SYSTEM" desc="Title of the system settings.">
       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>
+
+  <!-- Multidevice Page -->
+  <if expr="chromeos">
+    <message name="IDS_SETTINGS_MULTIDEVICE" desc="Name of the settings page features the user's other devices connected to the Chromebook.">
+      Connected devices
+    </message>
+    <message name="IDS_SETTINGS_MULTIDEVICE_SMS_CONNECT" desc="Title of the multi-device feature for displaying SMS notifications.">
+      SMS connect
+    </message>
+    <message name="IDS_SETTINGS_MULTIDEVICE_SMS_CONNECT_SUMMARY" desc="Summary explaining what the SMS connect feature does.">
+      Get notifications for new text messages on your Chromebook
+    </message>
+  </if>
+
 </grit-part>