Remove the test-only X509Certificate constructor

content/browser/loader/resource_loader_unittest.cc

Index: content/browser/loader/resource_loader_unittest.cc
diff --git a/content/browser/loader/resource_loader_unittest.cc b/content/browser/loader/resource_loader_unittest.cc
index 92cf40de4500d8e3c409a5a1e9d16682cc3ec4d3..9c19e0862cd753941e1f6ebcb41b65657c56a99a 100644
--- a/content/browser/loader/resource_loader_unittest.cc
+++ b/content/browser/loader/resource_loader_unittest.cc
@@ -740,8 +740,7 @@ TEST_F(ClientCertResourceLoaderTest, WithStoreLookup) {
   // Set up the test client cert store.
   int store_request_count;
   std::vector<std::string> store_requested_authorities;
-  net::CertificateList dummy_certs(1, scoped_refptr<net::X509Certificate>(
-      new net::X509Certificate("test", "test", base::Time(), base::Time())));
+  net::CertificateList dummy_certs(1, GetTestCert());
   std::unique_ptr<ClientCertStoreStub> test_store(new ClientCertStoreStub(
       dummy_certs, &store_request_count, &store_requested_authorities));
   resource_context_.SetClientCertStore(std::move(test_store));