"up-to-date" should only use hyphens when used as compound modifier of a noun

sync/internal_api/sync_manager_impl.cc

Index: sync/internal_api/sync_manager_impl.cc
diff --git a/sync/internal_api/sync_manager_impl.cc b/sync/internal_api/sync_manager_impl.cc
index 2ce4381e4d97f31ec6bf358ab9834b28c2e1f989..3f5c370419e6646e55d44ffeb5612712449b7832 100644
--- a/sync/internal_api/sync_manager_impl.cc
+++ b/sync/internal_api/sync_manager_impl.cc
@@ -824,7 +824,7 @@ void SyncManagerImpl::OnSyncCycleEvent(const SyncCycleEvent& event) {
   DCHECK(thread_checker_.CalledOnValidThread());
   // Only send an event if this is due to a cycle ending and this cycle
   // concludes a canonical "sync" process; that is, based on what is known
-  // locally we are "all happy" and up-to-date.  There may be new changes on
+  // locally we are "all happy" and up to date.  There may be new changes on
   // the server, but we'll get them on a subsequent sync.
   //
   // Notifications are sent at the end of every sync cycle, regardless of