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

net/cert/internal/trust_store_mac.h

Index: net/cert/internal/trust_store_mac.h
diff --git a/net/cert/internal/trust_store_mac.h b/net/cert/internal/trust_store_mac.h
index 1c99b9008d815090305ed826f38a1030d4c126e2..09897abdc30423c9acaeeee209f235ae26040722 100644
--- a/net/cert/internal/trust_store_mac.h
+++ b/net/cert/internal/trust_store_mac.h
@@ -31,8 +31,11 @@ class NET_EXPORT TrustStoreMac : public TrustStore {
   ~TrustStoreMac() override;
 
   // TrustStore implementation:
-  void FindTrustAnchorsForCert(const scoped_refptr<ParsedCertificate>& cert,
-                               TrustAnchors* matches) const override;
+  void FindIssuers(const scoped_refptr<ParsedCertificate>& cert,
+                   TrustAnchors* trust_anchors,
+                   ParsedCertificateList* intermediates) const override;
+  bool IsBlacklisted(
+      const scoped_refptr<ParsedCertificate>& cert) const override;
 
  private:
   FRIEND_TEST_ALL_PREFIXES(TrustStoreMacTest, MultiRootNotTrusted);