Implemented mid-level Negotiate protocol for Posix.

net/http/http_auth_unittest.cc

 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "testing/gtest/include/gtest/gtest.h"
 
 #include "base/ref_counted.h"
 #include "base/scoped_ptr.h"
 #include "base/string_util.h"
 #include "net/http/http_auth.h"
@@ skipping 42 matching lines @@
       "www-authenticate:\n",
 
       // Handle null header value.
       "",
       "",
     },
     {
       "WWW-Authenticate: Negotiate\n"
       "WWW-Authenticate: NTLM\n",
 
-      // Negotiate is not currently support on non-Windows platforms, so
-      // the choice varies depending on platform.
-#if defined(OS_WIN)
       "negotiate",
       "",
-#else
-      "ntlm",
-      "",
-#endif
     }
   };
   GURL origin("http://www.example.com");
   scoped_ptr<HttpAuthHandlerFactory> http_auth_handler_factory(
       HttpAuthHandlerFactory::CreateDefault());
 
   for (size_t i = 0; i < ARRAYSIZE_UNSAFE(tests); ++i) {
     // Make a HttpResponseHeaders object.
     std::string headers_with_status_line("HTTP/1.1 401 Unauthorized\n");
     headers_with_status_line += tests[i].headers;
@@ skipping 265 matching lines @@
   std::string name;
 
   name = HttpAuth::GetAuthorizationHeaderName(HttpAuth::AUTH_SERVER);
   EXPECT_STREQ("Authorization", name.c_str());
 
   name = HttpAuth::GetAuthorizationHeaderName(HttpAuth::AUTH_PROXY);
   EXPECT_STREQ("Proxy-Authorization", name.c_str());
 }
 
 }  // namespace net