Pref service: delete old implementation

chrome/browser/prefs/preferences_connection_manager.cc

-// Copyright 2016 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/prefs/preferences_connection_manager.h"
-
-#include "base/memory/ptr_util.h"
-#include "chrome/browser/browser_process.h"
-#include "chrome/browser/prefs/preferences_service.h"
-#include "chrome/browser/profiles/profile.h"
-#include "chrome/browser/profiles/profile_manager.h"
-#include "chrome/browser/signin/profile_oauth2_token_service_factory.h"
-#include "components/keyed_service/content/browser_context_keyed_service_shutdown_notifier_factory.h"
-#include "services/service_manager/public/cpp/interface_registry.h"
-
-namespace {
-
-// Required singleton subclass to control dependencies between
-// PreferenceConnectionManager and the KeyedServiceShutdownNotifier.
-class ShutdownNotifierFactory
-    : public BrowserContextKeyedServiceShutdownNotifierFactory {
- public:
-  static ShutdownNotifierFactory* GetInstance() {
-    return base::Singleton<ShutdownNotifierFactory>::get();
-  }
-
- private:
-  friend struct base::DefaultSingletonTraits<ShutdownNotifierFactory>;
-
-  ShutdownNotifierFactory()
-      : BrowserContextKeyedServiceShutdownNotifierFactory(
-            "PreferencesConnectionManager") {
-    DependsOn(ProfileOAuth2TokenServiceFactory::GetInstance());
-  }
-  ~ShutdownNotifierFactory() override {}
-
-  DISALLOW_COPY_AND_ASSIGN(ShutdownNotifierFactory);
-};
-
-}  // namespace
-
-PreferencesConnectionManager::PreferencesConnectionManager() {}
-
-PreferencesConnectionManager::~PreferencesConnectionManager() {}
-
-void PreferencesConnectionManager::OnProfileDestroyed() {
-  // Shutdown any PreferenceService that is still alive.
-  manager_bindings_.CloseAllBindings();
-  profile_shutdown_notification_.reset();
-}
-
-void PreferencesConnectionManager::Create(
-    prefs::mojom::PreferencesServiceClientPtr client,
-    prefs::mojom::PreferencesServiceRequest service) {
-  // Certain tests have no profiles to connect to, and static initializers
-  // which block the creation of test profiles.
-  if (!g_browser_process->profile_manager()->GetNumberOfProfiles())
-    return;
-
-  manager_bindings_.AddBinding(
-      base::MakeUnique<PreferencesService>(
-          std::move(client), ProfileManager::GetActiveUserProfile()),
-      std::move(service));
-}
-
-void PreferencesConnectionManager::Create(
-    const service_manager::Identity& remote_identity,
-    prefs::mojom::PreferencesServiceFactoryRequest request) {
-  factory_bindings_.AddBinding(this, std::move(request));
-
-  if (!profile_shutdown_notification_) {
-    profile_shutdown_notification_ =
-        ShutdownNotifierFactory::GetInstance()
-            ->Get(ProfileManager::GetActiveUserProfile())
-            ->Subscribe(
-                base::Bind(&PreferencesConnectionManager::OnProfileDestroyed,
-                           base::Unretained(this)));
-  }
-}
-
-bool PreferencesConnectionManager::OnConnect(
-    const service_manager::ServiceInfo& remote_info,
-    service_manager::InterfaceRegistry* registry) {
-  registry->AddInterface<prefs::mojom::PreferencesServiceFactory>(this);
-  return true;
-}