Cache certificate verification results in memory.

net/socket_stream/socket_stream.cc

Index: net/socket_stream/socket_stream.cc
===================================================================
--- net/socket_stream/socket_stream.cc	(revision 69359)
+++ net/socket_stream/socket_stream.cc	(working copy)
@@ -50,6 +50,8 @@
       url_(url),
       max_pending_send_allowed_(kMaxPendingSendAllowed),
       next_state_(STATE_NONE),
+      host_resolver_(NULL),
+      cert_verifier_(NULL),
       http_auth_handler_factory_(NULL),
       factory_(ClientSocketFactory::GetDefaultFactory()),
       proxy_mode_(kDirectConnection),
@@ -119,6 +121,7 @@
 
   if (context_) {
     host_resolver_ = context_->host_resolver();
+    cert_verifier_ = context_->cert_verifier();
     http_auth_handler_factory_ = context_->http_auth_handler_factory();
   }
 }
@@ -800,7 +803,8 @@
   socket_.reset(factory_->CreateSSLClientSocket(socket_.release(),
                                                 HostPortPair::FromURL(url_),
                                                 ssl_config_,
-                                                NULL /* ssl_host_info */));
+                                                NULL /* ssl_host_info */,
+                                                cert_verifier_));
   next_state_ = STATE_SSL_CONNECT_COMPLETE;
   metrics_->OnSSLConnection();
   return socket_->Connect(&io_callback_);