Added DriveNotificationManagerFactory so DriveNotificationManager is a singleton and can be called …

chrome/browser/google_apis/drive_notification_manager_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/google_apis/drive_notification_manager_factory.h"
+
+#include "chrome/browser/google_apis/drive_notification_manager.h"
+#include "chrome/browser/profiles/profile_dependency_manager.h"
+
+namespace google_apis {
+
+// static
+DriveNotificationManager*
+DriveNotificationManagerFactory::GetForProfile(Profile* profile) {
+  return static_cast<DriveNotificationManager*>(
+      GetInstance()->GetServiceForProfile(profile, true));
+}
+
+// static
+DriveNotificationManagerFactory*
+DriveNotificationManagerFactory::GetInstance() {
+  return Singleton<DriveNotificationManagerFactory>::get();
+}
+
+DriveNotificationManagerFactory::DriveNotificationManagerFactory()
+    : ProfileKeyedServiceFactory("DriveNotificationManager",
+                                 ProfileDependencyManager::GetInstance()) {}
+
+DriveNotificationManagerFactory::~DriveNotificationManagerFactory() {}
+
+ProfileKeyedService* DriveNotificationManagerFactory::BuildServiceInstanceFor(
+    Profile* profile) const {
+  return new DriveNotificationManager(profile);
+}
+
+}  // namespace google_apis