Route OCSP stapling through CertVerifier.

net/cert/cert_verify_proc_mac.cc

Index: net/cert/cert_verify_proc_mac.cc
diff --git a/net/cert/cert_verify_proc_mac.cc b/net/cert/cert_verify_proc_mac.cc
index 388d0fc41a93b81ba84d8565bec4996fbe0b31f7..029738805be25258073ef22793e907f03de5ff7c 100644
--- a/net/cert/cert_verify_proc_mac.cc
+++ b/net/cert/cert_verify_proc_mac.cc
@@ -473,9 +473,16 @@ bool CertVerifyProcMac::SupportsAdditionalTrustAnchors() const {
   return false;
 }
 
+bool CertVerifyProcMac::SupportsOCSPStapling() const {
+  // TODO(rsleevi): Plumb an OCSP response into the Mac system library.
+  // https://crbug.com/430714
+  return false;
+}
+
 int CertVerifyProcMac::VerifyInternal(
     X509Certificate* cert,
     const std::string& hostname,
+    const std::string& ocsp_response,
     int flags,
     CRLSet* crl_set,
     const CertificateList& additional_trust_anchors,