Use the CT policy enforcer for QUIC, if specified.

net/cert/cert_policy_enforcer.h

Index: net/cert/cert_policy_enforcer.h
diff --git a/net/cert/cert_policy_enforcer.h b/net/cert/cert_policy_enforcer.h
index 8889b11fc17b8bb06fcf19c7408379efa53a1ad0..ea24dbd91f1c8dab4d4f5da26b6e16cf4b4ae70b 100644
--- a/net/cert/cert_policy_enforcer.h
+++ b/net/cert/cert_policy_enforcer.h
@@ -24,16 +24,19 @@ class X509Certificate;
 // policies.
 class NET_EXPORT CertPolicyEnforcer {
  public:
+  CertPolicyEnforcer() {}
+  virtual ~CertPolicyEnforcer() {}
+
   // Returns true if the collection of SCTs for the given certificate
   // conforms with the CT/EV policy. Conformance details are logged to
   // |net_log|.
   // |cert| is the certificate for which the SCTs apply.
   // |ct_result| must contain the result of verifying any SCTs associated with
   // |cert| prior to invoking this method.
-  bool DoesConformToCTEVPolicy(X509Certificate* cert,
-                               const ct::EVCertsWhitelist* ev_whitelist,
-                               const ct::CTVerifyResult& ct_result,
-                               const BoundNetLog& net_log);
+  virtual bool DoesConformToCTEVPolicy(X509Certificate* cert,
+                                       const ct::EVCertsWhitelist* ev_whitelist,
+                                       const ct::CTVerifyResult& ct_result,
+                                       const BoundNetLog& net_log);
 };
 
 }  // namespace net