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

net/cert/internal/trust_store_mac.cc

Index: net/cert/internal/trust_store_mac.cc
diff --git a/net/cert/internal/trust_store_mac.cc b/net/cert/internal/trust_store_mac.cc
index ba31ffb1d59d6e743a237e6a61d491fa0915a4c0..960921e11ffa3bd961c69568be61a38d3ef5b647 100644
--- a/net/cert/internal/trust_store_mac.cc
+++ b/net/cert/internal/trust_store_mac.cc
@@ -227,12 +227,19 @@ TrustStoreMac::TrustStoreMac(CFTypeRef policy_oid)
 
 TrustStoreMac::~TrustStoreMac() = default;
 
-void TrustStoreMac::FindTrustAnchorsForCert(
-    const scoped_refptr<ParsedCertificate>& cert,
-    TrustAnchors* out_anchors) const {
+void TrustStoreMac::FindIssuers(const scoped_refptr<ParsedCertificate>& cert,
+                                TrustAnchors* trust_anchors,
+                                ParsedCertificateList* intermediates) const {
   base::ScopedCFTypeRef<CFDataRef> name_data = GetMacNormalizedIssuer(cert);
 
-  FindTrustAnchorsByMacNormalizedSubject(name_data, out_anchors);
+  FindTrustAnchorsByMacNormalizedSubject(name_data, trust_anchors);
+  // TODO(eroman): Look for intermediates.
+}
+
+bool TrustStoreMac::IsBlacklisted(
+    const scoped_refptr<ParsedCertificate>& cert) const {
+  return false;
+  // TODO(eroman): Implement.
 }
 
 // static