Cache certificate verification results in memory.

net/url_request/url_request_context.h

Index: net/url_request/url_request_context.h
===================================================================
--- net/url_request/url_request_context.h	(revision 69359)
+++ net/url_request/url_request_context.h	(working copy)
@@ -21,6 +21,7 @@
 #include "net/socket/dns_cert_provenance_checker.h"
 
 namespace net {
+class CertVerifier;
 class CookiePolicy;
 class CookieStore;
 class DnsCertProvenanceChecker;
@@ -50,6 +51,10 @@
     return host_resolver_;
   }
 
+  net::CertVerifier* cert_verifier() const {
+    return cert_verifier_;
+  }
+
   net::DnsRRResolver* dnsrr_resolver() const {
     return dnsrr_resolver_;
   }
@@ -130,6 +135,7 @@
   // subclasses.
   net::NetLog* net_log_;
   net::HostResolver* host_resolver_;
+  net::CertVerifier* cert_verifier_;
   net::DnsRRResolver* dnsrr_resolver_;
   scoped_ptr<net::DnsCertProvenanceChecker> dns_cert_checker_;
   scoped_refptr<net::ProxyService> proxy_service_;