Fix a DCHECK failure in AutocompleteEditModel::OnPopupDataChanged()

chrome/browser/autocomplete/autocomplete.cc

Index: chrome/browser/autocomplete/autocomplete.cc
diff --git a/chrome/browser/autocomplete/autocomplete.cc b/chrome/browser/autocomplete/autocomplete.cc
index d624d37a821fdf1e16a7462f60d7621302051530..a2659b6641b785b29ab9e15f968c2578b831a6ec 100644
--- a/chrome/browser/autocomplete/autocomplete.cc
+++ b/chrome/browser/autocomplete/autocomplete.cc
@@ -802,9 +802,11 @@ void AutocompleteController::DeleteMatch(const AutocompleteMatch& match) {
   DCHECK(match.deletable);
   match.provider->DeleteMatch(match);  // This may synchronously call back to
                                        // OnProviderUpdate().
+  DCHECK(updated_latest_result_);
   CommitResult(true);  // Ensure any new result gets committed immediately.  If
                        // it was committed already or hasn't been modified, this
-                       // is harmless.
+                       // is harmless. We need to notify the edit box, because
+                       // the default match may have been changed.
 }
 
 void AutocompleteController::CommitIfQueryHasNeverBeenCommitted() {