sync: Implementation of Priority Preferences.

chrome/browser/sync/profile_sync_components_factory_impl.cc

Index: chrome/browser/sync/profile_sync_components_factory_impl.cc
diff --git a/chrome/browser/sync/profile_sync_components_factory_impl.cc b/chrome/browser/sync/profile_sync_components_factory_impl.cc
index 0fe3a29e763404cb1fe9a9fa497656c5eb43c2cd..ea7ece8a8b0545f9d4714906447cb5e505fdb91c 100644
--- a/chrome/browser/sync/profile_sync_components_factory_impl.cc
+++ b/chrome/browser/sync/profile_sync_components_factory_impl.cc
@@ -191,6 +191,9 @@ void ProfileSyncComponentsFactoryImpl::RegisterDesktopDataTypes(
   if (!command_line_->HasSwitch(switches::kDisableSyncPreferences)) {
     pss->RegisterDataTypeController(
         new UIDataTypeController(syncer::PREFERENCES, this, profile_, pss));
+    pss->RegisterDataTypeController(
+        new UIDataTypeController(syncer::PRIORITY_PREFERENCES,
+                                 this, profile_, pss));
   }
 
 #if defined(ENABLE_THEMES)
@@ -301,7 +304,10 @@ base::WeakPtr<syncer::SyncableService> ProfileSyncComponentsFactoryImpl::
   switch (type) {
     case syncer::PREFERENCES:
       return PrefServiceSyncable::FromProfile(
-          profile_)->GetSyncableService()->AsWeakPtr();
+          profile_)->GetSyncableService(syncer::PREFERENCES)->AsWeakPtr();
+    case syncer::PRIORITY_PREFERENCES:
+      return PrefServiceSyncable::FromProfile(profile_)->GetSyncableService(
+        syncer::PRIORITY_PREFERENCES)->AsWeakPtr();
     case syncer::AUTOFILL:
     case syncer::AUTOFILL_PROFILE: {
       if (!web_data_service_.get())