Allow Cast certificates to have serial numbers greater than 20 bytes.

net/cert/internal/cert_issuer_source_static_unittest.cc

Index: net/cert/internal/cert_issuer_source_static_unittest.cc
diff --git a/net/cert/internal/cert_issuer_source_static_unittest.cc b/net/cert/internal/cert_issuer_source_static_unittest.cc
index 09dc01524fa4158aa5efe3c91e69f2aa8acb36c5..148f3620dd03113015fc1fd70b8fe01ee9f07b4f 100644
--- a/net/cert/internal/cert_issuer_source_static_unittest.cc
+++ b/net/cert/internal/cert_issuer_source_static_unittest.cc
@@ -36,7 +36,7 @@ void NotCalled(CertIssuerSource::Request* req) {
                   "CERTIFICATE", &der);
   if (!r)
     return r;
-  *result = ParsedCertificate::CreateFromCertificateCopy(der);
+  *result = ParsedCertificate::CreateFromCertificateCopy(der, {});
   if (!*result)
     return ::testing::AssertionFailure() << "CreateFromCertificateCopy failed";
   return ::testing::AssertionSuccess();