Allow SpdySessionPool to find/create SpdySession with IP pooling disabled.

net/http/http_proxy_client_socket_wrapper.cc

Index: net/http/http_proxy_client_socket_wrapper.cc
diff --git a/net/http/http_proxy_client_socket_wrapper.cc b/net/http/http_proxy_client_socket_wrapper.cc
index f5e258e86cd8ed5821476871708a9c3450359aad..b209a5af46710d743f896bf013eb89e474ea56ae 100644
--- a/net/http/http_proxy_client_socket_wrapper.cc
+++ b/net/http/http_proxy_client_socket_wrapper.cc
@@ -424,7 +424,9 @@ int HttpProxyClientSocketWrapper::DoSSLConnect() {
   if (tunnel_) {
     SpdySessionKey key(GetDestination().host_port_pair(), ProxyServer::Direct(),
                        PRIVACY_MODE_DISABLED);
-    if (spdy_session_pool_->FindAvailableSession(key, GURL(), net_log_)) {
+    if (spdy_session_pool_->FindAvailableSession(
+            key, GURL(),
+            /* enable_ip_based_pooling = */ true, net_log_)) {
       using_spdy_ = true;
       next_state_ = STATE_SPDY_PROXY_CREATE_STREAM;
       return OK;
@@ -522,7 +524,9 @@ int HttpProxyClientSocketWrapper::DoSpdyProxyCreateStream() {
   SpdySessionKey key(GetDestination().host_port_pair(), ProxyServer::Direct(),
                      PRIVACY_MODE_DISABLED);
   base::WeakPtr<SpdySession> spdy_session =
-      spdy_session_pool_->FindAvailableSession(key, GURL(), net_log_);
+      spdy_session_pool_->FindAvailableSession(
+          key, GURL(),
+          /* enable_ip_based_pooling = */ true, net_log_);
   // It's possible that a session to the proxy has recently been created
   if (spdy_session) {
     if (transport_socket_handle_.get()) {