[Easy signin] Wire up userClick auth attempt to easy unlock app and back

chrome/browser/signin/easy_unlock_service_signin_chromeos.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 CHROME_BROWSER_SIGNIN_EASY_UNLOCK_SERVICE_SIGNIN_CHROMEOS_H_
 #define CHROME_BROWSER_SIGNIN_EASY_UNLOCK_SERVICE_SIGNIN_CHROMEOS_H_
 
 #include <map>
 #include <string>
 
@@ skipping 51 matching lines @@
   virtual const base::DictionaryValue* GetPermitAccess() const OVERRIDE;
   virtual void SetPermitAccess(const base::DictionaryValue& permit) OVERRIDE;
   virtual void ClearPermitAccess() OVERRIDE;
   virtual const base::ListValue* GetRemoteDevices() const OVERRIDE;
   virtual void SetRemoteDevices(const base::ListValue& devices) OVERRIDE;
   virtual void ClearRemoteDevices() OVERRIDE;
   virtual void RunTurnOffFlow() OVERRIDE;
   virtual void ResetTurnOffFlow() OVERRIDE;
   virtual TurnOffFlowStatus GetTurnOffFlowStatus() const OVERRIDE;
   virtual std::string GetChallenge() const OVERRIDE;
+  virtual std::string GetWrappedSecret() const OVERRIDE;
   virtual void InitializeInternal() OVERRIDE;
   virtual void ShutdownInternal() OVERRIDE;
   virtual bool IsAllowedInternal() OVERRIDE;
 
   // ScreenlockBridge::Observer implementation:
   virtual void OnScreenDidLock() OVERRIDE;
   virtual void OnScreenDidUnlock() OVERRIDE;
   virtual void OnFocusedUserChanged(const std::string& user_id) OVERRIDE;
 
   // chromeos::LoginState::Observer implementation:
@@ skipping 28 matching lines @@
   // Whether the service has been successfully initialized, and has not been
   // shut down.
   bool service_active_;
 
   base::WeakPtrFactory<EasyUnlockServiceSignin> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(EasyUnlockServiceSignin);
 };
 
 #endif  // CHROME_BROWSER_SIGNIN_EASY_UNLOCK_SERVICE_SIGNIN_CHROMEOS_H_