[Sync] Add favicon sync experiment

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 527 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-tab-favicons",
-    IDS_FLAGS_SYNC_TAB_FAVICONS_NAME,
-    IDS_FLAGS_SYNC_TAB_FAVICONS_DESCRIPTION,
+    "enable-sync-favicons",
+    IDS_FLAGS_ENABLE_SYNC_FAVICONS_NAME,
+    IDS_FLAGS_ENABLE_SYNC_FAVICONS_DESCRIPTION,
     kOsAll,
-    SINGLE_VALUE_TYPE(switches::kSyncTabFavicons)
+    SINGLE_VALUE_TYPE(switches::kEnableSyncFavicons)
   },
   {
     "sync-keystore-encryption",
     IDS_FLAGS_SYNC_KEYSTORE_ENCRYPTION_NAME,
     IDS_FLAGS_SYNC_KEYSTORE_ENCRYPTION_DESCRIPTION,
     kOsAll,
     SINGLE_VALUE_TYPE(switches::kSyncKeystoreEncryption)
   },
   {
     "enable-gesture-tap-highlight",
@@ skipping 1168 matching lines @@
 }
 
 const Experiment* GetExperiments(size_t* count) {
   *count = num_experiments;
   return experiments;
 }
 
 }  // namespace testing
 
 }  // namespace about_flags