Refactor preference syncing.

chrome/browser/prefs/session_startup_pref.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/prefs/session_startup_pref.h"
 
 #include <string>
 
 #include "base/string_piece.h"
 #include "base/utf_string_conversions.h"
@@ skipping 28 matching lines @@
     case kPrefValueURLs:  return SessionStartupPref::URLS;
     default:              return SessionStartupPref::DEFAULT;
   }
 }
 
 }  // namespace
 
 // static
 void SessionStartupPref::RegisterUserPrefs(PrefService* prefs) {
   prefs->RegisterIntegerPref(prefs::kRestoreOnStartup,
-      TypeToPrefValue(browser_defaults::kDefaultSessionStartupType));
-  prefs->RegisterListPref(prefs::kURLsToRestoreOnStartup);
+                             TypeToPrefValue(
+                                 browser_defaults::kDefaultSessionStartupType),
+                             true /* sync pref */);
+  prefs->RegisterListPref(prefs::kURLsToRestoreOnStartup,
+                          true /* sync pref */);
 }
 
 // static
 void SessionStartupPref::SetStartupPref(
     Profile* profile,
     const SessionStartupPref& pref) {
   DCHECK(profile);
   SetStartupPref(profile->GetPrefs(), pref);
 }
 
@@ skipping 67 matching lines @@
       prefs->FindPreference(prefs::kURLsToRestoreOnStartup);
   DCHECK(pref_urls);
   return pref_urls->IsManaged();
 }
 
 SessionStartupPref::SessionStartupPref() : type(DEFAULT) {}
 
 SessionStartupPref::SessionStartupPref(Type type) : type(type) {}
 
 SessionStartupPref::~SessionStartupPref() {}