Remove prerender cookie store, part 4.

net/base/layered_network_delegate_unittest.cc

Index: net/base/layered_network_delegate_unittest.cc
diff --git a/net/base/layered_network_delegate_unittest.cc b/net/base/layered_network_delegate_unittest.cc
index d68568e7bb703365006b28577f0a1275463b6f9a..de31978c859b76a5cface55924b400ebb6179eb1 100644
--- a/net/base/layered_network_delegate_unittest.cc
+++ b/net/base/layered_network_delegate_unittest.cc
@@ -185,7 +185,7 @@ class TestLayeredNetworkDelegate : public LayeredNetworkDelegate {
   void CallAndVerify() {
     scoped_refptr<AuthChallengeInfo> auth_challenge(new AuthChallengeInfo());
     scoped_ptr<URLRequest> request =
-        context_.CreateRequest(GURL(), IDLE, &delegate_, NULL);
+        context_.CreateRequest(GURL(), IDLE, &delegate_);
     scoped_ptr<HttpRequestHeaders> request_headers(new HttpRequestHeaders());
     scoped_refptr<HttpResponseHeaders> response_headers(
         new HttpResponseHeaders(""));