Enable loading gssapi library for Chromad.

net/http/mock_allow_http_auth_preferences.cc

Index: net/http/mock_allow_http_auth_preferences.cc
diff --git a/net/http/mock_allow_http_auth_preferences.cc b/net/http/mock_allow_http_auth_preferences.cc
index 8951139aa31842d5a83e9f1ef168f4b761868116..37539e56ee6f68c2e3386af8024b3687c1026024 100644
--- a/net/http/mock_allow_http_auth_preferences.cc
+++ b/net/http/mock_allow_http_auth_preferences.cc
@@ -12,7 +12,11 @@ MockAllowHttpAuthPreferences::MockAllowHttpAuthPreferences()
                               ,
                           std::string()
 #endif
-                              ) {
+#if defined(OS_CHROMEOS)
+                              ,
+                          true
+#endif
+                          ) {
 }
 
 MockAllowHttpAuthPreferences::~MockAllowHttpAuthPreferences() {}