Fix use-after-frees in some SPDY tests.

net/spdy/spdy_network_transaction_unittest.cc

Index: net/spdy/spdy_network_transaction_unittest.cc
diff --git a/net/spdy/spdy_network_transaction_unittest.cc b/net/spdy/spdy_network_transaction_unittest.cc
index 632649b2500bf531b25096aed5dc1fbf4f6d0e87..d0f0d2b7b506c1eaeb61b9b47d44f138b44c3c67 100644
--- a/net/spdy/spdy_network_transaction_unittest.cc
+++ b/net/spdy/spdy_network_transaction_unittest.cc
@@ -4199,8 +4199,8 @@ TEST_P(SpdyNetworkTransactionTest, SettingsSaved) {
     "version",  "HTTP/1.1"
   };
 
-  NormalSpdyTransactionHelper helper(CreateGetRequest(),
-                                     BoundNetLog(), GetParam());
+  BoundNetLog net_log;
+  NormalSpdyTransactionHelper helper(CreateGetRequest(), net_log, GetParam());
   helper.RunPreTestSetup();
 
   // Verify that no settings exist initially.
@@ -4310,8 +4310,8 @@ TEST_P(SpdyNetworkTransactionTest, SettingsPlayback) {
     "version",  "HTTP/1.1"
   };
 
-  NormalSpdyTransactionHelper helper(CreateGetRequest(),
-                                     BoundNetLog(), GetParam());
+  BoundNetLog net_log;
+  NormalSpdyTransactionHelper helper(CreateGetRequest(), net_log, GetParam());
   helper.RunPreTestSetup();
 
   // Verify that no settings exist initially.