Add flag for carrier switch to about:flags.

chrome/browser/about_flags.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/about_flags.h"
 
 #include <algorithm>
 #include <iterator>
 #include <map>
 #include <set>
@@ skipping 900 matching lines @@
 #if defined(USE_ASH)
   { "ash-enable-advanced-gestures",
     IDS_FLAGS_ENABLE_ADVANCED_GESTURES_NAME,
     IDS_FLAGS_ENABLE_ADVANCED_GESTURES_DESCRIPTION,
     kOsCrOS,
     SINGLE_VALUE_TYPE(ash::switches::kAshEnableAdvancedGestures),
   },
 #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,
     IDS_FLAGS_ENABLE_REQUEST_TABLET_SITE_DESCRIPTION,
     kOsCrOS,
     SINGLE_VALUE_TYPE(switches::kEnableRequestTabletSite)
   },
 #endif
   {
     "debug-packed-apps",
     IDS_FLAGS_DEBUG_PACKED_APP_NAME,
@@ skipping 437 matching lines @@
 }
 
 const Experiment* GetExperiments(size_t* count) {
   *count = num_experiments;
   return experiments;
 }
 
 }  // namespace testing
 
 }  // namespace about_flags