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

net/cert/internal/trust_store_collection.cc

Index: net/cert/internal/trust_store_collection.cc
diff --git a/net/cert/internal/trust_store_collection.cc b/net/cert/internal/trust_store_collection.cc
index 7e004ae1b726b195f7b0012cfba7ccf25c197dc6..58f4c4df0b19112684172dfc335dc55a6a942439 100644
--- a/net/cert/internal/trust_store_collection.cc
+++ b/net/cert/internal/trust_store_collection.cc
@@ -14,12 +14,22 @@ void TrustStoreCollection::AddTrustStore(TrustStore* store) {
   stores_.push_back(store);
 }
 
-void TrustStoreCollection::FindTrustAnchorsForCert(
+void TrustStoreCollection::FindIssuers(
     const scoped_refptr<ParsedCertificate>& cert,
-    TrustAnchors* matches) const {
+    TrustAnchors* trust_anchors,
+    ParsedCertificateList* intermediates) const {
   for (auto* store : stores_) {
-    store->FindTrustAnchorsForCert(cert, matches);
+    store->FindIssuers(cert, trust_anchors, intermediates);
   }
 }
 
+bool TrustStoreCollection::IsBlacklisted(
+    const scoped_refptr<ParsedCertificate>& cert) const {
+  for (auto* store : stores_) {
+    if (store->IsBlacklisted(cert))
+      return true;
+  }
+  return false;
+}
+
 }  // namespace net