Don't allow elevation for CHROME_OS.

chrome/browser/managed_mode/managed_user_service_unittest.cc

Index: chrome/browser/managed_mode/managed_user_service_unittest.cc
diff --git a/chrome/browser/managed_mode/managed_user_service_unittest.cc b/chrome/browser/managed_mode/managed_user_service_unittest.cc
index f4a234e0b3f1a17c2e9b9aca8522091206bf4bae..f40983da683490abcaca28ccf987573baab5e23f 100644
--- a/chrome/browser/managed_mode/managed_user_service_unittest.cc
+++ b/chrome/browser/managed_mode/managed_user_service_unittest.cc
@@ -184,6 +184,7 @@ TEST_F(ManagedUserServiceExtensionTest, NoContentPacks) {
             url_filter->GetFilteringBehaviorForURL(url));
 }
 
+#if !defined(OS_CHROMEOS)
 TEST_F(ManagedUserServiceExtensionTest, InstallContentPacks) {
   profile_->GetPrefs()->SetBoolean(prefs::kProfileIsManaged, true);
   ManagedUserService managed_user_service(profile_.get());
@@ -297,3 +298,5 @@ TEST_F(ManagedUserServiceExtensionTest, InstallContentPacks) {
             url_filter->GetFilteringBehaviorForURL(moose_url));
 #endif
 }
+
+#endif  // OS_CHROMEOS