Update CrOS to use scoped_refptr<T>::get() rather than implicit "operator T*"

chromeos/network/onc/onc_certificate_importer_unittest.cc

Index: chromeos/network/onc/onc_certificate_importer_unittest.cc
diff --git a/chromeos/network/onc/onc_certificate_importer_unittest.cc b/chromeos/network/onc/onc_certificate_importer_unittest.cc
index c80916a97521be00a3697fafa037b145132f74ce..7713f55b3a214656b96e769b45ead1e28cad2ed4 100644
--- a/chromeos/network/onc/onc_certificate_importer_unittest.cc
+++ b/chromeos/network/onc/onc_certificate_importer_unittest.cc
@@ -140,7 +140,8 @@ class ONCCertificateImporterTest : public testing::Test {
     bool ok = true;
     net::CertificateList certs = ListCertsInSlot();
     for (size_t i = 0; i < certs.size(); ++i) {
-      if (!net::NSSCertDatabase::GetInstance()->DeleteCertAndKey(certs[i]))
+      if (!net::NSSCertDatabase::GetInstance()->DeleteCertAndKey(certs[i]
+                                                                     .get()))
         ok = false;
     }
     return ok;