Add DeviceSettingsService.

chrome/browser/chromeos/login/device_settings_test_helper.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/login/device_settings_test_helper.h"
+
+#include "base/message_loop.h"
+#include "base/threading/sequenced_worker_pool.h"
+#include "chrome/browser/chromeos/login/device_settings_service.h"
+#include "chrome/browser/chromeos/login/mock_owner_key_util.h"
+#include "content/public/browser/browser_thread.h"
+
+namespace chromeos {
+
+DeviceSettingsTestHelper::DeviceSettingsTestHelper()
+    : store_result_(true) {}
+
+DeviceSettingsTestHelper::~DeviceSettingsTestHelper() {}
+
+void DeviceSettingsTestHelper::FlushStore() {
+  do {
+    FlushLoops();
+    std::vector<StorePolicyCallback> callbacks;
+    callbacks.swap(store_callbacks_);
+    for (std::vector<StorePolicyCallback>::iterator cb(callbacks.begin());
+         cb != callbacks.end(); ++cb) {
+      cb->Run(store_result_);
+      FlushLoops();
+    }
+  } while (!store_callbacks_.empty());
+}
+
+void DeviceSettingsTestHelper::FlushRetrieve() {
+  do {
+    FlushLoops();
+    std::vector<RetrievePolicyCallback> callbacks;
+    callbacks.swap(retrieve_callbacks_);
+    for (std::vector<RetrievePolicyCallback>::iterator cb(callbacks.begin());
+         cb != callbacks.end(); ++cb) {
+      cb->Run(policy_blob_);
+      FlushLoops();
+    }
+  } while (!retrieve_callbacks_.empty());
+}
+
+void DeviceSettingsTestHelper::Flush() {
+  do {
+    FlushStore();
+    FlushRetrieve();
+  } while (!store_callbacks_.empty());
+}
+
+void DeviceSettingsTestHelper::FlushLoops() {
+  // DeviceSettingsService may trigger operations that hop back and forth
+  // between the message loop and the blocking pool. 2 iterations are currently
+  // sufficient (key loading, signing).
+  for (int i = 0; i < 2; ++i) {

[pastarmovj, 2012/07/30 12:19:19]

Any chance this can be replaced with a while(has_pending_ops()) instead?

[Mattias Nissler (ping if slow), 2012/07/31 13:02:15]

No, there's no good way to find out for the blocking pool.

+    MessageLoop::current()->RunAllPending();
+    content::BrowserThread::GetBlockingPool()->FlushForTesting();
+  }
+  MessageLoop::current()->RunAllPending();
+}
+
+void DeviceSettingsTestHelper::AddObserver(Observer* observer) {}
+
+void DeviceSettingsTestHelper::RemoveObserver(Observer* observer) {}
+
+bool DeviceSettingsTestHelper::HasObserver(Observer* observer) {
+  return false;
+}
+
+void DeviceSettingsTestHelper::EmitLoginPromptReady() {}
+
+void DeviceSettingsTestHelper::EmitLoginPromptVisible() {}
+
+void DeviceSettingsTestHelper::RestartJob(int pid,
+                                          const std::string& command_line) {}
+
+void DeviceSettingsTestHelper::RestartEntd() {}
+
+void DeviceSettingsTestHelper::StartSession(const std::string& user_email) {}
+
+void DeviceSettingsTestHelper::StopSession() {}
+
+void DeviceSettingsTestHelper::RequestLockScreen() {}
+
+void DeviceSettingsTestHelper::RequestUnlockScreen() {}
+
+bool DeviceSettingsTestHelper::GetIsScreenLocked() {
+  return false;
+}
+
+void DeviceSettingsTestHelper::RetrieveDevicePolicy(
+    const RetrievePolicyCallback& callback) {
+  retrieve_callbacks_.push_back(callback);
+}
+
+void DeviceSettingsTestHelper::RetrieveUserPolicy(
+    const RetrievePolicyCallback& callback) {
+}
+
+void DeviceSettingsTestHelper::StoreDevicePolicy(
+    const std::string& policy_blob,
+    const StorePolicyCallback& callback) {
+  policy_blob_ = policy_blob;
+  store_callbacks_.push_back(callback);
+}
+
+void DeviceSettingsTestHelper::StoreUserPolicy(
+    const std::string& policy_blob,
+    const StorePolicyCallback& callback) {}
+
+ScopedDeviceSettingsTestHelper::ScopedDeviceSettingsTestHelper() {
+  DeviceSettingsService::Get()->Initialize(this, new MockOwnerKeyUtil());
+  DeviceSettingsService::Get()->Load();
+  Flush();
+}
+
+ScopedDeviceSettingsTestHelper::~ScopedDeviceSettingsTestHelper() {
+  Flush();
+  DeviceSettingsService::Get()->Shutdown();
+}
+
+}  // namespace chromeos