Add UIPI support for sandbox alternate desktop

sandbox/win/tests/validation_tests/suite.cc

Index: sandbox/win/tests/validation_tests/suite.cc
diff --git a/sandbox/win/tests/validation_tests/suite.cc b/sandbox/win/tests/validation_tests/suite.cc
index 4a8ae4316c95834227baec595a4c860890b866e7..df50c5660257c042961ed5e30037f56d78579834 100644
--- a/sandbox/win/tests/validation_tests/suite.cc
+++ b/sandbox/win/tests/validation_tests/suite.cc
@@ -112,6 +112,7 @@ TEST(ValidationSuite, TestRegistry) {
 TEST(ValidationSuite, TestDesktop) {
   TestRunner runner;
   runner.GetPolicy()->SetAlternateDesktop(true);
+  runner.GetPolicy()->SetIntegrityLevel(INTEGRITY_LEVEL_LOW);
   EXPECT_EQ(SBOX_TEST_DENIED, runner.RunTest(L"OpenInteractiveDesktop NULL"));
   EXPECT_EQ(SBOX_TEST_DENIED, runner.RunTest(L"SwitchToSboxDesktop NULL"));
 }
@@ -129,7 +130,7 @@ TEST(ValidationSuite, TestAlternateDesktop) {
   wchar_t command[1024] = {0};
   runner.SetTimeout(3600000);
   runner.GetPolicy()->SetAlternateDesktop(true);
-  runner.GetPolicy()->SetDelayedIntegrityLevel(INTEGRITY_LEVEL_UNTRUSTED);
+  runner.GetPolicy()->SetIntegrityLevel(INTEGRITY_LEVEL_LOW);
   base::string16 desktop_name = runner.GetPolicy()->GetAlternateDesktop();
   desktop_name = desktop_name.substr(desktop_name.find('\\') + 1);
   wsprintf(command, L"OpenAlternateDesktop %lS", desktop_name.c_str());