Add support for alternate window station.

sandbox/tests/validation_tests/suite.cc

Index: sandbox/tests/validation_tests/suite.cc
===================================================================
--- sandbox/tests/validation_tests/suite.cc	(revision 16307)
+++ sandbox/tests/validation_tests/suite.cc	(working copy)
@@ -1,4 +1,4 @@
-// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
+// Copyright (c) 2006-2009 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.
 
@@ -77,7 +77,7 @@
 // to get to the interactive desktop or to make the sbox desktop interactive.
 TEST(ValidationSuite, TestDesktop) {
   TestRunner runner;
-  runner.GetPolicy()->SetDesktop(L"sbox_validation_desktop");
+  runner.GetPolicy()->SetAlternateDesktop(false);
   EXPECT_EQ(SBOX_TEST_DENIED, runner.RunTest(L"OpenInteractiveDesktop NULL"));
   EXPECT_EQ(SBOX_TEST_DENIED, runner.RunTest(L"SwitchToSboxDesktop NULL"));
 }