Replace NTLMv1 implementation with a functionally equivalent one.

net/http/http_auth_handler_ntlm_portable_unittest.cc

Index: net/http/http_auth_handler_ntlm_portable_unittest.cc
diff --git a/net/http/http_auth_handler_ntlm_portable_unittest.cc b/net/http/http_auth_handler_ntlm_portable_unittest.cc
index cfa9259857db4e7ea99083f3ee777781a5410d80..f73cef5e467b86a491e1ea38e759a9fc9be53cf5 100644
--- a/net/http/http_auth_handler_ntlm_portable_unittest.cc
+++ b/net/http/http_auth_handler_ntlm_portable_unittest.cc
@@ -177,7 +177,7 @@ TEST_F(HttpAuthHandlerNtlmPortableTest, VerifyType1Message) {
   // The type 1 message generated is always the same. The only variable
   // part of the message is the flags and Chrome always offers the same
   // set of flags.
-  ASSERT_EQ("NTLM TlRMTVNTUAABAAAAB4IIAAAAAAAAAAAAAAAAAAAAAAA=", token);
+  ASSERT_EQ("NTLM TlRMTVNTUAABAAAAB4IIAAAAAAAgAAAAAAAAACAAAAA=", token);
 }
 
 TEST_F(HttpAuthHandlerNtlmPortableTest, EmptyTokenFails) {