Linux: control usage of Kerberos via use_kerberos gyp flag

net/http/http_auth_handler_factory_unittest.cc

 // Copyright (c) 2011 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 "base/memory/scoped_ptr.h"
 #include "net/base/mock_host_resolver.h"
 #include "net/base/net_errors.h"
 #include "net/http/http_auth_handler.h"
 #include "net/http/http_auth_handler_factory.h"
 #include "net/http/mock_allow_url_security_manager.h"
@@ skipping 154 matching lines @@
     EXPECT_TRUE(handler->is_connection_based());
   }
   {
     scoped_ptr<HttpAuthHandler> handler;
     int rv = http_auth_handler_factory->CreateAuthHandlerFromString(
         "Negotiate",
         HttpAuth::AUTH_SERVER,
         server_origin,
         BoundNetLog(),
         &handler);
+#if defined(USE_KERBEROS)
     EXPECT_EQ(OK, rv);
     ASSERT_FALSE(handler.get() == NULL);
     EXPECT_EQ(HttpAuth::AUTH_SCHEME_NEGOTIATE, handler->auth_scheme());
     EXPECT_STREQ("", handler->realm().c_str());
     EXPECT_EQ(HttpAuth::AUTH_SERVER, handler->target());
     EXPECT_TRUE(handler->encrypts_identity());
     EXPECT_TRUE(handler->is_connection_based());
+#else
+    EXPECT_EQ(ERR_UNSUPPORTED_AUTH_SCHEME, rv);
+    EXPECT_TRUE(handler.get() == NULL);
+#endif  // defined(USE_KERBEROS)
   }
 }
 
 }  // namespace net