Remove most occurences of PrefRegistrySyncable::UNSYNCABLE_PREF

chrome/browser/extensions/default_apps.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/extensions/default_apps.h"
 
 #include <set>
 #include <string>
 
 #include "base/command_line.h"
@@ skipping 31 matching lines @@
     }
   }
   return true;
 }
 
 }  // namespace
 
 namespace default_apps {
 
 void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry) {
-  registry->RegisterIntegerPref(
-      prefs::kDefaultAppsInstallState,
-      kUnknown,
-      user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
+  registry->RegisterIntegerPref(prefs::kDefaultAppsInstallState, kUnknown);
 }
 
 bool Provider::ShouldInstallInProfile() {
   // We decide to install or not install default apps based on the following
   // criteria, from highest priority to lowest priority:
   //
   // - The command line option.  Tests use this option to disable installation
   //   of default apps in some cases.
   // - If the locale is not compatible with the defaults, don't install them.
   // - The kDefaultApps preferences value in the profile.  This value is
@@ skipping 93 matching lines @@
     for (std::set<std::string>::iterator it = new_default_apps.begin();
          it != new_default_apps.end(); ++it) {
       prefs->Remove(*it, NULL);
     }
   }
 
   ExternalProviderImpl::SetPrefs(prefs);
 }
 
 }  // namespace default_apps