Enable loading gssapi library for Chromad.

net/http/http_auth_handler_negotiate.cc

 // Copyright (c) 2012 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 "net/http/http_auth_handler_negotiate.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/logging.h"
 #include "base/strings/string_number_conversions.h"
@@ skipping 74 matching lines @@
 #elif defined(OS_ANDROID)
   if (is_unsupported_ || !http_auth_preferences() ||
       http_auth_preferences()->AuthAndroidNegotiateAccountType().empty() ||
       reason == CREATE_PREEMPTIVE)
     return ERR_UNSUPPORTED_AUTH_SCHEME;
   // TODO(cbentzel): Move towards model of parsing in the factory
   //                 method and only constructing when valid.
   std::unique_ptr<HttpAuthHandler> tmp_handler(
       new HttpAuthHandlerNegotiate(http_auth_preferences(), resolver_));
 #elif defined(OS_POSIX)
-  if (is_unsupported_)
+  bool allow_gssapi_library_load = true;
+#if defined(OS_CHROMEOS)
+  allow_gssapi_library_load = http_auth_preferences() &&
+                              http_auth_preferences()->AllowGssapiLibraryLoad();
+#endif
+  if (is_unsupported_ || !allow_gssapi_library_load)
     return ERR_UNSUPPORTED_AUTH_SCHEME;
   if (!auth_library_->Init()) {
     is_unsupported_ = true;
     return ERR_UNSUPPORTED_AUTH_SCHEME;
   }
   // TODO(ahendrickson): Move towards model of parsing in the factory
   //                     method and only constructing when valid.
   std::unique_ptr<HttpAuthHandler> tmp_handler(new HttpAuthHandlerNegotiate(
       auth_library_.get(), http_auth_preferences(), resolver_));
 #endif
@@ skipping 261 matching lines @@
 bool HttpAuthHandlerNegotiate::CanDelegate() const {
   // TODO(cbentzel): Should delegation be allowed on proxies?
   if (target_ == HttpAuth::AUTH_PROXY)
     return false;
   if (!http_auth_preferences_)
     return false;
   return http_auth_preferences_->CanDelegate(origin_);
 }
 
 }  // namespace net