[EasyUnlock] Force user to enter their password after 20 hours.

components/proximity_auth/proximity_auth_system.h

 // Copyright 2014 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 COMPONENTS_PROXIMITY_AUTH_PROXIMITY_AUTH_SYSTEM_H
 #define COMPONENTS_PROXIMITY_AUTH_PROXIMITY_AUTH_SYSTEM_H
 
 #include <memory>
 #include <vector>
 
@@ skipping 74 matching lines @@
       ScreenlockBridge::LockHandler::ScreenType screen_type) override;
   void OnScreenDidUnlock(
       ScreenlockBridge::LockHandler::ScreenType screen_type) override;
   void OnFocusedUserChanged(const AccountId& account_id) override;
 
  private:
   // Resumes |remote_device_life_cycle_| after device wakes up and waits a
   // timeout.
   void ResumeAfterWakeUpTimeout();
 
+  // Returns true if the user should be forced to use a password to authenticate
+  // rather than EasyUnlock.
+  bool ShouldForcePassword();
+
   // Lists of remote devices, keyed by user account id.
   std::map<AccountId, cryptauth::RemoteDeviceList> remote_devices_map_;
 
   // Delegate for Chrome dependent functionality.
   ProximityAuthClient* proximity_auth_client_;
 
   // Responsible for the life cycle of connecting and authenticating to
   // the RemoteDevice of the currently focused user.
   std::unique_ptr<RemoteDeviceLifeCycle> remote_device_life_cycle_;
 
   // Handles the interaction with the lock screen UI.
   std::unique_ptr<UnlockManager> unlock_manager_;
 
   // True if the system is suspended.
   bool suspended_;
 
   // True if the system is started_.
   bool started_;
 
   base::WeakPtrFactory<ProximityAuthSystem> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ProximityAuthSystem);
 };
 
 }  // namespace proximity_auth
 
 #endif  // COMPONENTS_PROXIMITY_AUTH_PROXIMITY_AUTH_SYSTEM_H