Remove most occurences of PrefRegistrySyncable::UNSYNCABLE_PREF

chrome/browser/ui/webui/ntp/foreign_session_handler.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/ui/webui/ntp/foreign_session_handler.h"
 
 #include <algorithm>
 #include <string>
 #include <vector>
 
@@ skipping 40 matching lines @@
 }
 
 }  // namepace
 
 ForeignSessionHandler::ForeignSessionHandler() {
 }
 
 // static
 void ForeignSessionHandler::RegisterProfilePrefs(
     user_prefs::PrefRegistrySyncable* registry) {
-  registry->RegisterDictionaryPref(
-      prefs::kNtpCollapsedForeignSessions,
-      user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
+  registry->RegisterDictionaryPref(prefs::kNtpCollapsedForeignSessions);
 }
 
 // static
 void ForeignSessionHandler::OpenForeignSessionTab(
     content::WebUI* web_ui,
     const std::string& session_string_value,
     SessionID::id_type window_num,
     SessionID::id_type tab_id,
     const WindowOpenDisposition& disposition) {
   OpenTabsUIDelegate* open_tabs = GetOpenTabsUIDelegate(web_ui);
@@ skipping 342 matching lines @@
       last_synced < base::TimeDelta::FromMinutes(1) ?
           l10n_util::GetStringUTF16(IDS_SYNC_TIME_JUST_NOW) :
           ui::TimeFormat::Simple(ui::TimeFormat::FORMAT_ELAPSED,
                                  ui::TimeFormat::LENGTH_SHORT, last_synced));
   dictionary->SetInteger("sessionId", window.window_id.id());
   dictionary->Set("tabs", tab_values.release());
   return true;
 }
 
 }  // namespace browser_sync