Password Login Database: report correct changes from UpdateLogin().

components/password_manager/core/browser/password_store_default.cc

Index: components/password_manager/core/browser/password_store_default.cc
diff --git a/components/password_manager/core/browser/password_store_default.cc b/components/password_manager/core/browser/password_store_default.cc
index fe68f4a445c5aa76edb0dac5a7d591fae41e5044..92cab5abd9300fd947ac34268664a19b2185a1b5 100644
--- a/components/password_manager/core/browser/password_store_default.cc
+++ b/components/password_manager/core/browser/password_store_default.cc
@@ -40,10 +40,7 @@ PasswordStoreChangeList PasswordStoreDefault::AddLoginImpl(
 PasswordStoreChangeList PasswordStoreDefault::UpdateLoginImpl(
     const PasswordForm& form) {
   DCHECK(GetBackgroundTaskRunner()->BelongsToCurrentThread());
-  PasswordStoreChangeList changes;
-  if (login_db_->UpdateLogin(form, NULL))
-    changes.push_back(PasswordStoreChange(PasswordStoreChange::UPDATE, form));
-  return changes;
+  return login_db_->UpdateLogin(form);
 }
 
 PasswordStoreChangeList PasswordStoreDefault::RemoveLoginImpl(