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

net/cert/internal/trust_store_collection.h

Index: net/cert/internal/trust_store_collection.h
diff --git a/net/cert/internal/trust_store_collection.h b/net/cert/internal/trust_store_collection.h
index 74ece5f97ba447f720a3e419e3b3bee13b0d7158..3c5b0040a418cbc46debcdd440550841c42ac7cd 100644
--- a/net/cert/internal/trust_store_collection.h
+++ b/net/cert/internal/trust_store_collection.h
@@ -26,8 +26,10 @@ class NET_EXPORT TrustStoreCollection : public TrustStore {
   void AddTrustStore(TrustStore* store);
 
   // TrustStore implementation:
-  void FindTrustAnchorsForCert(const scoped_refptr<ParsedCertificate>& cert,
-                               TrustAnchors* matches) const override;
+  void SyncGetIssuersOf(const ParsedCertificate* cert,
+                        ParsedCertificateList* issuers) override;
+  void GetTrust(const scoped_refptr<ParsedCertificate>& cert,
+                CertificateTrust* trust) const override;
 
  private:
   std::vector<TrustStore*> stores_;