Remove most occurences of PrefRegistrySyncable::UNSYNCABLE_PREF

chrome/browser/ui/ash/chrome_launcher_prefs.cc

Index: chrome/browser/ui/ash/chrome_launcher_prefs.cc
diff --git a/chrome/browser/ui/ash/chrome_launcher_prefs.cc b/chrome/browser/ui/ash/chrome_launcher_prefs.cc
index 3d6081783cfbf664b68c0e148fae050e8591efc7..ed925e738a5466ce887aea21a949e14660742c4c 100644
--- a/chrome/browser/ui/ash/chrome_launcher_prefs.cc
+++ b/chrome/browser/ui/ash/chrome_launcher_prefs.cc
@@ -57,28 +57,15 @@ void RegisterChromeLauncherUserPrefs(
   registry->RegisterStringPref(prefs::kShelfAutoHideBehavior,
                                kShelfAutoHideBehaviorNever,
                                user_prefs::PrefRegistrySyncable::SYNCABLE_PREF);
-  registry->RegisterStringPref(
-      prefs::kShelfAutoHideBehaviorLocal,
-      std::string(),
-      user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
+  registry->RegisterStringPref(prefs::kShelfAutoHideBehaviorLocal,
+                               std::string());
   registry->RegisterStringPref(prefs::kShelfAlignment,
                                kShelfAlignmentBottom,
                                user_prefs::PrefRegistrySyncable::SYNCABLE_PREF);
-  registry->RegisterStringPref(
-      prefs::kShelfAlignmentLocal,
-      std::string(),
-      user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
-  registry->RegisterDictionaryPref(
-      prefs::kShelfPreferences,
-      user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
-  registry->RegisterIntegerPref(
-      prefs::kLogoutDialogDurationMs,
-      20000,
-      user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
-  registry->RegisterBooleanPref(
-      prefs::kShowLogoutButtonInTray,
-      false,
-      user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
+  registry->RegisterStringPref(prefs::kShelfAlignmentLocal, std::string());
+  registry->RegisterDictionaryPref(prefs::kShelfPreferences);
+  registry->RegisterIntegerPref(prefs::kLogoutDialogDurationMs, 20000);
+  registry->RegisterBooleanPref(prefs::kShowLogoutButtonInTray, false);
 }
 
 base::DictionaryValue* CreateAppDict(const std::string& app_id) {