Add an out parameter to VerifyCertificateChain for retrieving the trusted chain.

components/cast_certificate/cast_cert_validator.cc

Index: components/cast_certificate/cast_cert_validator.cc
diff --git a/components/cast_certificate/cast_cert_validator.cc b/components/cast_certificate/cast_cert_validator.cc
index 5fb0ea162c46d496650d187c2b5480d02abc2685..8a4d6eb400e66f7a74603af852f37fc2dda38720 100644
--- a/components/cast_certificate/cast_cert_validator.cc
+++ b/components/cast_certificate/cast_cert_validator.cc
@@ -289,7 +289,7 @@ bool VerifyDeviceCert(const std::vector<std::string>& certs,
   // trust anchors and Cast signature policy.
   if (!net::VerifyCertificateChain(input_chain, CastTrustStore::Get(),
                                    signature_policy.get(),
-                                   ConvertExplodedTime(time))) {
+                                   ConvertExplodedTime(time), nullptr)) {
     return false;
   }