Add FingerprintUnlock KeyedService for each profile

chrome/browser/chromeos/login/quick_unlock/quick_unlock_storage.h

+// Copyright 2017 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_CHROMEOS_LOGIN_QUICK_UNLOCK_QUICK_UNLOCK_STORAGE_H_
+#define CHROME_BROWSER_CHROMEOS_LOGIN_QUICK_UNLOCK_QUICK_UNLOCK_STORAGE_H_
+
+#include "base/memory/ptr_util.h"
+#include "base/time/time.h"
+#include "chrome/browser/chromeos/login/quick_unlock/fingerprint_storage.h"
+#include "chrome/browser/chromeos/login/quick_unlock/pin_storage.h"
+#include "components/keyed_service/core/keyed_service.h"
+
+class PrefService;
+
+namespace chromeos {
+
+class QuickUnlockStorageTestApi;
+
+namespace quick_unlock {
+
+class QuickUnlockStorage : public KeyedService {
+ public:
+  explicit QuickUnlockStorage(PrefService* pref_service);
+  ~QuickUnlockStorage() override;
+
+  // Mark that the user has had a strong authentication. This means
+  // that they authenticated with their password, for example. Quick
+  // unlock will timeout after a delay.
+  void MarkStrongAuth();
+
+  // Returns true if the user has been strongly authenticated.
+  bool HasStrongAuth() const;
+
+  // Returns the time since the last strong authentication. This should not be
+  // called if HasStrongAuth returns false.
+  base::TimeDelta TimeSinceLastStrongAuth() const;
+
+  // Returns true if fingerprint unlock is currently available.
+  bool IsFingerprintAuthenticationAvailable() const;
+
+  // Returns true if PIN unlock is currently available.
+  bool IsPinAuthenticationAvailable() const;
+
+  // Tries to authenticate the given pin. This will consume a pin unlock
+  // attempt. This always returns false if HasStrongAuth returns false.
+  bool TryAuthenticatePin(const std::string& pin);
+
+  FingerprintStorage* fingerprint_storage();
+
+  PinStorage* pin_storage();
+
+ private:
+  friend class chromeos::QuickUnlockStorageTestApi;
+
+  // KeyedService:
+  void Shutdown() override;
+
+  PrefService* pref_service_;
+  base::Time last_strong_auth_;
+  std::unique_ptr<FingerprintStorage> fingerprint_storage_;
+  std::unique_ptr<PinStorage> pin_storage_;
+
+  DISALLOW_COPY_AND_ASSIGN(QuickUnlockStorage);
+};
+
+}  // namespace quick_unlock
+}  // namespace chromeos
+
+#endif  // CHROME_BROWSER_CHROMEOS_LOGIN_QUICK_UNLOCK_QUICK_UNLOCK_STORAGE_H_