Fix cyclic dependency between ProfilePolicyConnector and PrefService.

chrome/browser/chromeos/policy/policy_cert_service_factory.cc

+// Copyright 2013 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/policy/policy_cert_service_factory.h"
+
+#include "base/memory/singleton.h"
+#include "chrome/browser/chromeos/policy/policy_cert_service.h"
+#include "chrome/browser/chromeos/policy/policy_cert_verifier.h"
+#include "chrome/browser/chromeos/policy/user_network_configuration_updater_factory.h"
+#include "chrome/browser/profiles/incognito_helpers.h"
+#include "chrome/browser/profiles/profile.h"
+#include "chrome/common/pref_names.h"
+#include "components/browser_context_keyed_service/browser_context_dependency_manager.h"
+#include "components/user_prefs/pref_registry_syncable.h"
+
+namespace policy {
+
+// static
+PolicyCertService* PolicyCertServiceFactory::GetForProfile(Profile* profile) {
+  return static_cast<PolicyCertService*>(
+      GetInstance()->GetServiceForBrowserContext(profile, false));
+}
+
+// static
+scoped_ptr<PolicyCertVerifier> PolicyCertServiceFactory::CreateForProfile(
+    Profile* profile) {
+  DCHECK(!GetInstance()->GetServiceForBrowserContext(profile, false));
+  PolicyCertService* service = static_cast<PolicyCertService*>(
+      GetInstance()->GetServiceForBrowserContext(profile, true));
+  if (!service)
+    return scoped_ptr<PolicyCertVerifier>();
+  return service->CreatePolicyCertVerifier();
+}
+
+// static
+PolicyCertServiceFactory* PolicyCertServiceFactory::GetInstance() {
+  return Singleton<PolicyCertServiceFactory>::get();
+}
+
+PolicyCertServiceFactory::PolicyCertServiceFactory()
+    : BrowserContextKeyedServiceFactory(
+          "PolicyCertService",
+          BrowserContextDependencyManager::GetInstance()) {
+  DependsOn(UserNetworkConfigurationUpdaterFactory::GetInstance());
+}
+
+PolicyCertServiceFactory::~PolicyCertServiceFactory() {}
+
+BrowserContextKeyedService* PolicyCertServiceFactory::BuildServiceInstanceFor(
+    content::BrowserContext* context) const {
+  Profile* profile = static_cast<Profile*>(context);
+  UserNetworkConfigurationUpdater* net_conf_updater =
+      UserNetworkConfigurationUpdaterFactory::GetForProfile(profile);
+  if (!net_conf_updater)
+    return NULL;
+
+  // In case of usage of additional trust anchors from an incognito profile, the
+  // prefs of the original profile have to be marked.
+  return new PolicyCertService(net_conf_updater,
+                               profile->GetOriginalProfile()->GetPrefs());
+}
+
+content::BrowserContext* PolicyCertServiceFactory::GetBrowserContextToUse(
+    content::BrowserContext* context) const {
+  return chrome::GetBrowserContextOwnInstanceInIncognito(context);
+}
+
+void PolicyCertServiceFactory::RegisterProfilePrefs(
+    user_prefs::PrefRegistrySyncable* registry) {
+  registry->RegisterBooleanPref(
+      prefs::kUsedPolicyCertificatesOnce,
+      false,
+      user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
+}
+
+bool PolicyCertServiceFactory::ServiceIsNULLWhileTesting() const {
+  return true;
+}
+
+}  // namespace policy