Support Android username-only credentials.

components/password_manager/core/browser/password_store.cc

Index: components/password_manager/core/browser/password_store.cc
diff --git a/components/password_manager/core/browser/password_store.cc b/components/password_manager/core/browser/password_store.cc
index 82ff912f523b57f997bff1f222ea78fe0671d8b5..23aa933f5d4e559689dce72e11d52bd77ba9b311 100644
--- a/components/password_manager/core/browser/password_store.cc
+++ b/components/password_manager/core/browser/password_store.cc
@@ -12,6 +12,7 @@
 #include "base/thread_task_runner_handle.h"
 #include "components/autofill/core/common/password_form.h"
 #include "components/password_manager/core/browser/affiliated_match_helper.h"
+#include "components/password_manager/core/browser/password_manager_util.h"
 #include "components/password_manager/core/browser/password_store_consumer.h"
 #include "components/password_manager/core/browser/password_syncable_service.h"
 
@@ -388,6 +389,7 @@ void PasswordStore::GetLoginsWithAffiliationsImpl(
         more_results.begin(), more_results.end(),
         [](PasswordForm* form) { return form->federation_url.is_empty(); });
     more_results.erase(it_first_federated, more_results.end());
+    password_manager_util::TrimUsernameOnlyCredentials(&more_results);
     results.insert(results.end(), more_results.begin(), more_results.end());
     more_results.weak_clear();
   }