Get net_unittests working on Windows BoringSSL port.

net/test/run_all_unittests.cc

Index: net/test/run_all_unittests.cc
diff --git a/net/test/run_all_unittests.cc b/net/test/run_all_unittests.cc
index 12df717affb477a987dfff98e7c0a569921bb3a0..e86487e6fedf51c510db59fd6b9f44a21df4c405 100644
--- a/net/test/run_all_unittests.cc
+++ b/net/test/run_all_unittests.cc
@@ -52,7 +52,7 @@ int main(int argc, char** argv) {
   NetTestSuite test_suite(argc, argv);
   ClientSocketPoolBaseHelper::set_connect_backup_jobs_enabled(false);
 
-#if defined(OS_WIN)
+#if defined(OS_WIN) && !defined(USE_OPENSSL)
   // We want to be sure to init NSPR on the main thread.
   crypto::EnsureNSPRInit();
 #endif