chromeos: Remove references to UnlockScreenFailed signal.

chromeos/dbus/power_manager_client.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 CHROMEOS_DBUS_POWER_MANAGER_CLIENT_H_
 #define CHROMEOS_DBUS_POWER_MANAGER_CLIENT_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 62 matching lines @@
     // Called when the lock button is pressed or released.
     virtual void LockButtonStateChanged(bool down,
                                         const base::TimeTicks& timestamp) {}
 
     // Called when the screen is locked.
     virtual void LockScreen() {}
 
     // Called when the screen is unlocked.
     virtual void UnlockScreen() {}
 
-    // Called when the screen fails to unlock.
-    virtual void UnlockScreenFailed() {}
-
     // Called when we go idle for threshold time.
     virtual void IdleNotify(int64 threshold_secs) {}
 
     // Called when we go from idle to active.
     virtual void ActiveNotify() {}
 
     // Called when a request is received to dim or undim the screen in software
     // (as opposed to the more-common method of adjusting the backlight).
     virtual void ScreenDimmingRequested(ScreenDimmingState state) {}
   };
@@ skipping 109 matching lines @@
   // Create() should be used instead.
   PowerManagerClient();
 
  private:
   DISALLOW_COPY_AND_ASSIGN(PowerManagerClient);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROMEOS_DBUS_POWER_MANAGER_CLIENT_H_