net: fix multiple use-after-scope issues in net_unittests.

net/http/http_network_transaction_ssl_unittest.cc

Index: net/http/http_network_transaction_ssl_unittest.cc
diff --git a/net/http/http_network_transaction_ssl_unittest.cc b/net/http/http_network_transaction_ssl_unittest.cc
index bc2900b4ba28f10351c944bd55d966081eaf3198..5ad359b44baf5f81e89a04d7577525d2dc7566c3 100644
--- a/net/http/http_network_transaction_ssl_unittest.cc
+++ b/net/http/http_network_transaction_ssl_unittest.cc
@@ -201,14 +201,14 @@ TEST_F(HttpNetworkTransactionSSLTest, TokenBindingAsync) {
   StaticSocketDataProvider data(reads, arraysize(reads), nullptr, 0);
   mock_socket_factory_.AddSocketDataProvider(&data);
 
-  HttpNetworkSession session(session_params_);
-  HttpNetworkTransaction trans(DEFAULT_PRIORITY, &session);
-
   HttpRequestInfo request_info;
   request_info.url = GURL("https://www.example.com/");
   request_info.method = "GET";
   request_info.token_binding_referrer = "encrypted.example.com";
 
+  HttpNetworkSession session(session_params_);
+  HttpNetworkTransaction trans(DEFAULT_PRIORITY, &session);
+
   TestCompletionCallback callback;
   int rv = trans.Start(&request_info, callback.callback(), NetLogWithSource());
   EXPECT_THAT(rv, IsError(ERR_IO_PENDING));