Allow the TrustStore interface to return matching intermediates, and identify distrusted certs.

net/cert/internal/test_helpers.h

Index: net/cert/internal/test_helpers.h
diff --git a/net/cert/internal/test_helpers.h b/net/cert/internal/test_helpers.h
index 25afc28886d990b6003908f3735b7d441bfed2e2..0ba8938257fbb79c53431d2927ba7bc42e919a67 100644
--- a/net/cert/internal/test_helpers.h
+++ b/net/cert/internal/test_helpers.h
@@ -86,8 +86,8 @@ struct VerifyCertChainTest {
   // The chain of certificates (with the zero-th being the target).
   ParsedCertificateList chain;
 
-  // The trust anchor to use when verifying the chain.
-  scoped_refptr<TrustAnchor> trust_anchor;
+  // Details on the trustedness of the last certificate.
+  CertificateTrust last_cert_trust;
 
   // The time to use when verifying the chain.
   der::GeneralizedTime time;