Support for client certs in ssl_server_socket.

net/cert/mock_cert_verifier.cc

Index: net/cert/mock_cert_verifier.cc
diff --git a/net/cert/mock_cert_verifier.cc b/net/cert/mock_cert_verifier.cc
index 6ee23d6483c1c885cfaf9036d15af117666145f7..d579d7e29b3de2a095a86c26163c0620747c55c0 100644
--- a/net/cert/mock_cert_verifier.cc
+++ b/net/cert/mock_cert_verifier.cc
@@ -46,15 +46,17 @@ int MockCertVerifier::Verify(X509Certificate* cert,
                              const CompletionCallback& callback,
                              scoped_ptr<Request>* out_req,
                              const BoundNetLog& net_log) {
-  RuleList::const_iterator it;
-  for (it = rules_.begin(); it != rules_.end(); ++it) {
-    // Check just the server cert. Intermediates will be ignored.
-    if (!it->cert->Equals(cert))
-      continue;
-    if (!base::MatchPattern(hostname, it->hostname))
-      continue;
-    *verify_result = it->result;
-    return it->rv;
+  if (cert) {
+    RuleList::const_iterator it;
+    for (it = rules_.begin(); it != rules_.end(); ++it) {
+      // Check just the server cert. Intermediates will be ignored.
+      if (!it->cert->Equals(cert))
+        continue;
+      if (!base::MatchPattern(hostname, it->hostname))
+        continue;
+      *verify_result = it->result;
+      return it->rv;
+    }
   }
 
   // Fall through to the default.