Introduce PrefRegistrySyncable, simplifying PrefServiceSyncable.

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>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/i18n/time_formatting.h"
 #include "base/memory/scoped_vector.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/utf_string_conversions.h"
 #include "base/values.h"
+#include "chrome/browser/prefs/pref_registry_syncable.h"
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/prefs/scoped_user_pref_update.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/sessions/session_restore.h"
 #include "chrome/browser/sync/profile_sync_service.h"
 #include "chrome/browser/sync/profile_sync_service_factory.h"
 #include "chrome/browser/ui/host_desktop.h"
 #include "chrome/browser/ui/webui/ntp/new_tab_ui.h"
 #include "chrome/browser/ui/webui/session_favicon_source.h"
 #include "chrome/common/chrome_notification_types.h"
@@ skipping 25 matching lines @@
 bool SortSessionsByRecency(const SyncedSession* s1, const SyncedSession* s2) {
   return s1->modified_time > s2->modified_time;
 }
 
 }  // namepace
 
 ForeignSessionHandler::ForeignSessionHandler() {
 }
 
 // static
-void ForeignSessionHandler::RegisterUserPrefs(PrefServiceSyncable* prefs) {
-  prefs->RegisterDictionaryPref(prefs::kNtpCollapsedForeignSessions,
-                                PrefServiceSyncable::UNSYNCABLE_PREF);
+void ForeignSessionHandler::RegisterUserPrefs(PrefRegistrySyncable* registry) {
+  registry->RegisterDictionaryPref(prefs::kNtpCollapsedForeignSessions,
+                                   PrefRegistrySyncable::UNSYNCABLE_PREF);
 }
 
 // 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) {
   SessionModelAssociator* associator = GetModelAssociator(web_ui);
@@ skipping 358 matching lines @@
   dictionary->SetString("userVisibleTimestamp",
       last_synced < base::TimeDelta::FromMinutes(1) ?
           l10n_util::GetStringUTF16(IDS_SYNC_TIME_JUST_NOW) :
           TimeFormat::TimeElapsed(last_synced));
   dictionary->SetInteger("sessionId", window.window_id.id());
   dictionary->Set("tabs", tab_values.release());
   return true;
 }
 
 }  // namespace browser_sync