Fix a DCHECK in HttpPasswordStoreMigrator for localhost.

components/password_manager/core/browser/credential_manager_pending_request_task.cc

Index: components/password_manager/core/browser/credential_manager_pending_request_task.cc
diff --git a/components/password_manager/core/browser/credential_manager_pending_request_task.cc b/components/password_manager/core/browser/credential_manager_pending_request_task.cc
index ae1279ab3402dc1477e2263d2fec1016d974e1f5..cd89fb0e8944e82d0672935d01da590f1cdb4e90 100644
--- a/components/password_manager/core/browser/credential_manager_pending_request_task.cc
+++ b/components/password_manager/core/browser/credential_manager_pending_request_task.cc
@@ -131,7 +131,8 @@ CredentialManagerPendingRequestTask::~CredentialManagerPendingRequestTask() =
 
 void CredentialManagerPendingRequestTask::OnGetPasswordStoreResults(
     std::vector<std::unique_ptr<autofill::PasswordForm>> results) {
-  if (results.empty()) {
+  // localhost is a secure origin but not https.
+  if (results.empty() && origin_.SchemeIs(url::kHttpsScheme)) {
     // Try to migrate the HTTP passwords and process them later.
     http_migrator_ = base::MakeUnique<HttpPasswordStoreMigrator>(
         origin_, delegate_->client(), this);