Close idle H2 sockets when SpdySession is initialized.

net/socket/websocket_transport_client_socket_pool.cc

Index: net/socket/websocket_transport_client_socket_pool.cc
diff --git a/net/socket/websocket_transport_client_socket_pool.cc b/net/socket/websocket_transport_client_socket_pool.cc
index 0239226da9910a94aea263729e8da7bbcad538f9..4842256a1984de9b7019d77fa532718c514500da 100644
--- a/net/socket/websocket_transport_client_socket_pool.cc
+++ b/net/socket/websocket_transport_client_socket_pool.cc
@@ -450,6 +450,11 @@ void WebSocketTransportClientSocketPool::CloseIdleSockets() {
   // We have no idle sockets.
 }
 
+void WebSocketTransportClientSocketPool::CloseIdleSocketsInGroup(
+    const std::string& group_name) {
+  // We have no idle sockets.
+}
+
 int WebSocketTransportClientSocketPool::IdleSocketCount() const {
   return 0;
 }