[cros] Add checkbox for toggling data roaming setting.

chrome/app/generated_resources.grd

 <?xml version="1.0" encoding="UTF-8"?>
 
 <!--
 This file contains definitions of resources that will be translated for each
 locale. OS values are passed through from Python's sys.platform:
 
   win32 - Windows
   darwin - Mac
   linux2 - Linux (both Views and GTK+)
 
@@ skipping 9691 matching lines @@
       </message>
       <message name="IDS_OPTIONS_SETTINGS_NO_PLAN_LABEL" desc="In settings Internet options, the title for buy cellular data plan button.">
         No data plan
       </message>
       <message name="IDS_OPTIONS_SETTINGS_OPTIONS" desc="In the settings tab, the text on the button to display more options.">
         Options...
       </message>
       <message name="IDS_OPTIONS_SETTINGS_OTHER_NETWORKS" desc="In the settings tab, the text on the button to display other networks.">
         Join other network...
       </message>
+      <message name="IDS_OPTIONS_SETTINGS_ENABLE_DATA_ROAMING" desc="In the settings tab, the text next to the checkbox for data roaming.">
+        Enable data roaming
+      </message>      
       <message name="IDS_OPTIONS_ACCOUNTS_ALLOW_BWSI_DESCRIPTION" desc="In the Accounts settings tab, the text on the checkbox to allow browse without signing in.">
         Enable guest browsing
       </message>
       <message name="IDS_OPTIONS_ACCOUNTS_USE_WHITELIST_DESCRIPTION" desc="In the Accounts settings tab, the text on the checkbox to restrict allowed user to a whitelist.">
         Restrict sign-in to the following users:
       </message>
       <message name="IDS_OPTIONS_ACCOUNTS_SHOW_USER_NAMES_ON_SINGIN_DESCRIPTION" desc="In the Accounts settings tab, the text on the checkbox to show user names and pictures on sign-in screen.">
         Show usernames and photos on the sign-in screen
       </message>
       <message name="IDS_OPTIONS_ACCOUNTS_USERNAME_EDIT_HINT" desc="In the Accounts settings tab, the instruction text on an empty username edit.">
@@ skipping 1988 matching lines @@
     </includes>
     <structures fallback_to_english="true">
       <structure name="IDD_CHROME_FRAME_FIND_DIALOG" file="cf_resources.rc" type="dialog" >
       </structure>
       <structure name="IDD_CHROME_FRAME_READY_PROMPT" file="cf_resources.rc" type="dialog" >
       </structure>
     </structures>
 
   </release>
 </grit>