Adding pref to store the user-selected proximity threshold.

components/proximity_auth/unlock_manager_impl_unittest.cc

 // Copyright 2015 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 "components/proximity_auth/unlock_manager_impl.h"
 
 #include <memory>
 #include <utility>
 
 #include "base/macros.h"
@@ skipping 101 matching lines @@
   bool started_;
   bool stopped_;
 
   DISALLOW_COPY_AND_ASSIGN(MockProximityMonitor);
 };
 
 class TestUnlockManager : public UnlockManagerImpl {
  public:
   TestUnlockManager(ProximityAuthSystem::ScreenlockType screenlock_type,
                     ProximityAuthClient* proximity_auth_client)
-      : UnlockManagerImpl(screenlock_type, proximity_auth_client),
+      : UnlockManagerImpl(screenlock_type, proximity_auth_client, nullptr),
         proximity_monitor_(nullptr) {}
   ~TestUnlockManager() override {}
 
   using UnlockManager::OnAuthAttempted;
   using MessengerObserver::OnUnlockEventSent;
   using MessengerObserver::OnRemoteStatusUpdate;
   using MessengerObserver::OnDecryptResponse;
   using MessengerObserver::OnUnlockResponse;
   using MessengerObserver::OnDisconnected;
   using ScreenlockBridge::Observer::OnScreenDidLock;
   using ScreenlockBridge::Observer::OnScreenDidUnlock;
   using ScreenlockBridge::Observer::OnFocusedUserChanged;
 
   MockProximityMonitor* proximity_monitor() { return proximity_monitor_; }
 
  private:
   std::unique_ptr<ProximityMonitor> CreateProximityMonitor(
-      cryptauth::Connection* connection) override {
+      cryptauth::Connection* connection,
+      ProximityAuthPrefManager* pref_manager) override {
     EXPECT_EQ(cryptauth::kTestRemoteDevicePublicKey,
               connection->remote_device().public_key);
     std::unique_ptr<MockProximityMonitor> proximity_monitor(
         new NiceMock<MockProximityMonitor>());
     proximity_monitor_ = proximity_monitor.get();
     return std::move(proximity_monitor);
   }
 
   // Owned by the super class.
   MockProximityMonitor* proximity_monitor_;
@@ skipping 692 matching lines @@
           }));
 
   EXPECT_CALL(messenger_, RequestDecryption(kChallenge));
   unlock_manager_->OnAuthAttempted(mojom::AuthType::USER_CLICK);
 
   EXPECT_CALL(proximity_auth_client_, FinalizeSignin(std::string()));
   unlock_manager_->OnDecryptResponse(std::string());
 }
 
 }  // namespace proximity_auth