chromeos: Remove old LockScreen signal.

chrome/browser/chromeos/settings/device_settings_test_helper.h

 // Copyright (c) 2012 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_SETTINGS_DEVICE_SETTINGS_TEST_HELPER_H_
 #define CHROME_BROWSER_CHROMEOS_SETTINGS_DEVICE_SETTINGS_TEST_HELPER_H_
 
 #include <map>
 #include <string>
 #include <vector>
@@ skipping 63 matching lines @@
         base::EmptyString() : entry->second.policy_blob_;
   }
 
   void set_device_local_account_policy_blob(const std::string& id,
                                             const std::string& policy_blob) {
     device_local_account_policy_[id].policy_blob_ = policy_blob;
   }
 
   // SessionManagerClient:
   virtual void Init(dbus::Bus* bus) OVERRIDE;
+  virtual void SetStubDelegate(SessionManagerClient::StubDelegate* delegate)
+      OVERRIDE;
   virtual void AddObserver(Observer* observer) OVERRIDE;
   virtual void RemoveObserver(Observer* observer) OVERRIDE;
   virtual bool HasObserver(Observer* observer) OVERRIDE;
   virtual void EmitLoginPromptVisible() OVERRIDE;
   virtual void RestartJob(int pid, const std::string& command_line) OVERRIDE;
   virtual void StartSession(const std::string& user_email) OVERRIDE;
   virtual void StopSession() OVERRIDE;
   virtual void StartDeviceWipe() OVERRIDE;
   virtual void RequestLockScreen() OVERRIDE;
   virtual void NotifyLockScreenShown() OVERRIDE;
@@ skipping 89 matching lines @@
 
   chromeos::FakeDBusThreadManager* fake_dbus_thread_manager_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(DeviceSettingsTestBase);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_SETTINGS_DEVICE_SETTINGS_TEST_HELPER_H_