[Sync] Add sessions sync to about:flags

chrome/browser/about_flags.cc

 // Copyright (c) 2011 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 273 matching lines @@
 #endif
   },
   {
     "show-autofill-type-predictions",
     IDS_FLAGS_SHOW_AUTOFILL_TYPE_PREDICTIONS_NAME,
     IDS_FLAGS_SHOW_AUTOFILL_TYPE_PREDICTIONS_DESCRIPTION,
     kOsAll,
     SINGLE_VALUE_TYPE(switches::kShowAutofillTypePredictions)
   },
   {
+    "sync-sessions",
+    IDS_FLAGS_SYNC_SESSIONS_NAME,
+    IDS_FLAGS_SYNC_SESSIONS_DESCRIPTION,
+    kOsAll,
+    SINGLE_VALUE_TYPE(switches::kEnableSyncSessions)
+  },
+  {
     "sync-typed-urls",
     IDS_FLAGS_SYNC_TYPED_URLS_NAME,
     IDS_FLAGS_SYNC_TYPED_URLS_DESCRIPTION,
     kOsAll,
     SINGLE_VALUE_TYPE(switches::kEnableSyncTypedUrls)
   },
   {
     "enable-smooth-scrolling",  // FLAGS:RECORD_UMA
     IDS_FLAGS_ENABLE_SMOOTH_SCROLLING_NAME,
     IDS_FLAGS_ENABLE_SMOOTH_SCROLLING_DESCRIPTION,
@@ skipping 486 matching lines @@
 }
 
 const Experiment* GetExperiments(size_t* count) {
   *count = num_experiments;
   return experiments;
 }
 
 }  // namespace testing
 
 }  // namespace about_flags