Revert 194578 "Add ash SessionStateDelegate"

trunk/src/chrome/browser/ui/ash/session_state_delegate_views.cc

-// Copyright (c) 2013 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 "chrome/browser/ui/ash/session_state_delegate.h"
-
-SessionStateDelegate::SessionStateDelegate() {
-}
-
-SessionStateDelegate::~SessionStateDelegate() {
-}
-
-bool SessionStateDelegate::HasActiveUser() const {
-  return true;
-}
-
-bool SessionStateDelegate::IsActiveUserSessionStarted() const {
-  return true;
-}
-
-bool SessionStateDelegate::CanLockScreen() const {
-  return false;
-}
-
-bool SessionStateDelegate::IsScreenLocked() const {
-  return false;
-}
-
-void SessionStateDelegate::LockScreen() {
-}
-
-void SessionStateDelegate::UnlockScreen() {
-}