Switch to direct use of OwnerSettingsServiceChromeOS::Set() in tests.

chrome/browser/chromeos/settings/stub_cros_settings_provider.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 "chrome/browser/chromeos/settings/stub_cros_settings_provider.h"
 
 #include "base/logging.h"
 #include "base/values.h"
 #include "chrome/browser/chromeos/settings/cros_settings.h"
 #include "chrome/browser/chromeos/settings/device_settings_provider.h"
@@ skipping 19 matching lines @@
     const std::string& path) const {
   DCHECK(HandlesSetting(path));
   const base::Value* value;
   if (values_.GetValue(path, &value))
     return value;
   return NULL;
 }
 
 CrosSettingsProvider::TrustedStatus
     StubCrosSettingsProvider::PrepareTrustedValues(const base::Closure& cb) {
-  // We don't have a trusted store so all values are available immediately.
-  return TRUSTED;
+  return trusted_status_;
 }
 
 bool StubCrosSettingsProvider::HandlesSetting(const std::string& path) const {
   return DeviceSettingsProvider::IsDeviceSetting(path);
 }
 
+void StubCrosSettingsProvider::SetTrustedStatus(TrustedStatus status) {
+  trusted_status_ = status;
+}
+
+void StubCrosSettingsProvider::SetCurrentUserIsOwner(bool owner) {
+  current_user_is_owner_ = owner;
+}
+
 void StubCrosSettingsProvider::DoSet(const std::string& path,
                                      const base::Value& value) {
-  values_.SetValue(path, value.DeepCopy());
+  if (current_user_is_owner_)
+    values_.SetValue(path, value.DeepCopy());
+  else
+    LOG(WARNING) << "Changing settings from non-owner, setting=" << path;
   NotifyObservers(path);
 }
 
 void StubCrosSettingsProvider::SetDefaults() {
   values_.SetBoolean(kAccountsPrefAllowGuest, true);
   values_.SetBoolean(kAccountsPrefAllowNewUser, true);
   values_.SetBoolean(kAccountsPrefSupervisedUsersEnabled, true);
   values_.SetBoolean(kAccountsPrefShowUserNamesOnSignIn, true);
   values_.SetValue(kAccountsPrefDeviceLocalAccounts, new base::ListValue);
   // |kDeviceOwner| will be set to the logged-in user by |UserManager|.
 }
 
 }  // namespace chromeos