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diff --git a/chromium/chrome/browser/signin/account_reconcilor_factory.h b/chromium/chrome/browser/signin/account_reconcilor_factory.h
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+++ b/chromium/chrome/browser/signin/account_reconcilor_factory.h
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+// 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.
+
+#ifndef CHROME_BROWSER_SIGNIN_ACCOUNT_RECONCILOR_FACTORY_H_
+#define CHROME_BROWSER_SIGNIN_ACCOUNT_RECONCILOR_FACTORY_H_
+
+#include <memory>
+
+#include "base/memory/singleton.h"
+#include "components/keyed_service/content/browser_context_keyed_service_factory.h"
+
+namespace signin {
+class IdentityManager;
+}
+
+namespace signin {
+class AccountReconcilorDelegate;
+}
+
+class AccountReconcilor;
+class Profile;
+class SigninClient;
+
+// Singleton that owns all AccountReconcilors and associates them with
+// Profiles. Listens for the Profile's destruction notification and cleans up.
+class AccountReconcilorFactory : public BrowserContextKeyedServiceFactory {
+ public:
+  // Returns the instance of AccountReconcilor associated with this profile
+  // (creating one if none exists). Returns NULL if this profile cannot have an
+  // AccountReconcilor (for example, if |profile| is incognito).
+  static AccountReconcilor* GetForProfile(Profile* profile);
+
+  // Returns an instance of the factory singleton.
+  static AccountReconcilorFactory* GetInstance();
+
+  // BrowserContextKeyedServiceFactory:
+  void RegisterProfilePrefs(
+      user_prefs::PrefRegistrySyncable* registry) override;
+
+ private:
+  friend struct base::DefaultSingletonTraits<AccountReconcilorFactory>;
+  friend class DummyAccountReconcilorWithDelegate;  // For testing.
+
+  AccountReconcilorFactory();
+  ~AccountReconcilorFactory() override;
+
+  // Creates the AccountReconcilorDelegate.
+  static std::unique_ptr<signin::AccountReconcilorDelegate>
+  CreateAccountReconcilorDelegate(Profile* profile);
+
+  // BrowserContextKeyedServiceFactory:
+  KeyedService* BuildServiceInstanceFor(
+      content::BrowserContext* profile) const override;
+};
+
+#endif  // CHROME_BROWSER_SIGNIN_ACCOUNT_RECONCILOR_FACTORY_H_