Add flag for carrier switch to about:flags.

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.  The variables is_win, is_macosx, is_linux, and is_posix are available
 for making strings OS specific.  Other platform defines such as use_titlecase
 are declared in build/common.gypi.
 -->
 
 <grit base_dir="." latest_public_release="0" current_release="1"
@@ skipping 6388 matching lines @@
       </message>
       <message name="IDS_FLAGS_DISABLE_ACCELERATED_VIDEO_DECODE_DESCRIPTION" desc="Description for the flag to disable accelerated video decode where available.">
         Disables hardware-accelerated video decode where available.
       </message>
       <message name="IDS_FLAGS_ENABLE_WEBKIT_TEXT_SUBPIXEL_POSITIONING_NAME" desc="Name of the flag to enable subpixel text positioning on web pages.">
         Enable webpage text sub-pixel positioning.
       </message>
       <message name="IDS_FLAGS_ENABLE_WEBKIT_TEXT_SUBPIXEL_POSITIONING_DESCRIPTION" desc="Description for the flag to set when subpixel text positioning is enabled on web pages.">
         Allows text glyphs on web pages to have X positions which aren't snapped to the pixel grid.
       </message>
+      <message name="IDS_FLAGS_ENABLE_CARRIER_SWITCHING" desc="Name for the flag to set to enable mobile carrier switching.">
+        Enable switching between mobile carriers.
+      </message>
+      <message name="IDS_FLAGS_ENABLE_CARRIER_SWITCHING_DESCRIPTION" desc="Description for the flag to set to enable carrier switching.">
+        Allows the user to switch between mobile carriers from the UI.
+      </message>
       <message name="IDS_FLAGS_ENABLE_REQUEST_TABLET_SITE_NAME" desc="Name for the flag to set to enable Request Tablet Site in the wrench menu.">
         Enables the request tablet site option in the settings menu.
       </message>
       <message name="IDS_FLAGS_ENABLE_REQUEST_TABLET_SITE_DESCRIPTION" desc="Description for the flag to set to enable Request Tablet Site in the wrench menu.">
         Allows the user to request tablet site. Web content is often optimized for tablet devices. When this option is selected the user agent string is changed to indicate a tablet device. Web content optimized for tablets is received there after for the current tab.
       </message>
       <message name="IDS_FLAGS_DEBUG_PACKED_APP_NAME" desc="Name of the flag to enable debugging context menu options for packed apps.">
         Enable debugging for packed apps.
       </message>
       <message name="IDS_FLAGS_DEBUG_PACKED_APP_DESCRIPTION" desc="Description of the flag to enable debugging context menu options for packed apps.">
@@ skipping 8325 matching lines @@
 
     <structures fallback_to_english="true">
       <!-- Make sure these stay in sync with the structures in generated_resources.grd. -->
       <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>