Revert "Revert 182527" ([Sync] Make SESSIONS an implicit type)

chrome/common/pref_names.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/common/pref_names.h"
 
 #include "base/basictypes.h"
 
 namespace prefs {
 
@@ skipping 1736 matching lines @@
 const char kSyncTypedUrls[] = "sync.typed_urls";
 const char kSyncExtensions[] = "sync.extensions";
 const char kSyncExtensionSettings[] = "sync.extension_settings";
 const char kSyncSearchEngines[] = "sync.search_engines";
 const char kSyncSessions[] = "sync.sessions";
 const char kSyncHistoryDeleteDirectives[] = "sync.history_delete_directives";
 const char kSyncSyncedNotifications[] = "sync.synced_notifications";
 const char kSyncDictionary[] = "sync.dictionary";
 const char kSyncFaviconImages[] = "sync.favicon_images";
 const char kSyncFaviconTracking[] = "sync.favicon_tracking";
+const char kSyncTabs[] = "sync.tabs";
 
 // Boolean used by enterprise configuration management in order to lock down
 // sync.
 const char kSyncManaged[] = "sync.managed";
 
 // Boolean to prevent sync from automatically starting up.  This is
 // used when sync is disabled by the user via the privacy dashboard.
 const char kSyncSuppressStart[] = "sync.suppress_start";
 
 // List of the currently acknowledged set of sync types, used to figure out
@@ skipping 565 matching lines @@
 const char kRLZBrand[] = "rlz.brand";
 // Whether RLZ pings are disabled.
 const char kRLZDisabled[] = "rlz.disabled";
 #endif
 
 // The directory in user data dir that contains the profile to be used with the
 // app launcher.
 extern const char kAppListProfile[] = "app_list.profile";
 
 }  // namespace prefs