Add flag for carrier switch to about:flags.

TBR=sky@chromium.org
BUG=chrome-os-partner:14207

Review URL: https://codereview.chromium.org/11192012

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@162230 0039d316-1c4b-4281-b951-d872f2087c98

chrome/app/generated_resources.grd

@@ -6409,6 +6409,12 @@ Keep your key file in a safe place. You will need it to create new versions of y
       <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>

chrome/browser/about_flags.cc

@@ -940,6 +940,13 @@ const Experiment kExperiments[] = {
   },
 #endif
 #if defined(OS_CHROMEOS)
+  {
+    "enable-carrier-switching",
+    IDS_FLAGS_ENABLE_CARRIER_SWITCHING,
+    IDS_FLAGS_ENABLE_CARRIER_SWITCHING_DESCRIPTION,
+    kOsCrOS,
+    SINGLE_VALUE_TYPE(switches::kEnableCarrierSwitching)
+  },
   {
     "enable-request-tablet-site",
     IDS_FLAGS_ENABLE_REQUEST_TABLET_SITE_NAME,