Enable syncing APPS and EXTENSIONS for supervised users.

chrome/browser/supervised_user/supervised_user_service.cc

Index: chrome/browser/supervised_user/supervised_user_service.cc
diff --git a/chrome/browser/supervised_user/supervised_user_service.cc b/chrome/browser/supervised_user/supervised_user_service.cc
index fbc44d0efc4900a3d9f715a77e1d4487adb0f200..04327ba0c23ecd1a0331d158d305c5bc66c2896b 100644
--- a/chrome/browser/supervised_user/supervised_user_service.cc
+++ b/chrome/browser/supervised_user/supervised_user_service.cc
@@ -381,6 +381,8 @@ void SupervisedUserService::FinishSetupSync() {
   bool sync_everything = false;
   syncer::ModelTypeSet synced_datatypes;
   synced_datatypes.Put(syncer::SESSIONS);
+  synced_datatypes.Put(syncer::APPS);
+  synced_datatypes.Put(syncer::EXTENSIONS);
   service->OnUserChoseDatatypes(sync_everything, synced_datatypes);
 
   // Notify ProfileSyncService that we are done with configuration.