Explicitly whitelist the test server port.

net/test/test_server.h

Index: net/test/test_server.h
diff --git a/net/test/test_server.h b/net/test/test_server.h
index 1ae0a50867b5de02fcff02d16a022b542a3d30be..4154302b6cd0eceb2ff8670a734a1bda6db8a840 100644
--- a/net/test/test_server.h
+++ b/net/test/test_server.h
@@ -17,6 +17,7 @@
 #include "base/file_util.h"
 #include "base/process_util.h"
 #include "net/base/host_port_pair.h"
+#include "net/base/net_util.h"
 
 #if defined(OS_WIN)
 #include "base/scoped_handle_win.h"
@@ -180,6 +181,8 @@ class TestServer {
   // Handle of the Python process running the test server.
   base::ProcessHandle process_handle_;
 
+  scoped_ptr<net::ScopedPortException> allowed_port_;
+
 #if defined(OS_WIN)
   // JobObject used to clean up orphaned child processes.
   ScopedHandle job_handle_;