chromeos: Promotes more from WmShell to Shell

ash/wm/lock_state_controller.cc

 // Copyright 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 "ash/wm/lock_state_controller.h"
 
 #include <algorithm>
 #include <string>
 #include <utility>
 
@@ skipping 170 matching lines @@
   StartUnlockAnimationBeforeUIDestroyed(callback);
 }
 
 void LockStateController::SetLockScreenDisplayedCallback(
     const base::Closure& callback) {
   lock_screen_displayed_callback_ = callback;
 }
 
 void LockStateController::OnHostCloseRequested(
     const aura::WindowTreeHost* host) {
-  WmShell::Get()->delegate()->Exit();
+  Shell::Get()->shell_delegate()->Exit();
 }
 
 void LockStateController::OnLoginStateChanged(LoginStatus status) {
   if (status != LoginStatus::LOCKED)
     login_status_ = status;
   system_is_locked_ = (status == LoginStatus::LOCKED);
 }
 
 void LockStateController::OnAppTerminating() {
   // If we hear that Chrome is exiting but didn't request it ourselves, all we
@@ skipping 357 matching lines @@
     SessionStateAnimator::AnimationSpeed speed,
     SessionStateAnimator::AnimationSequence* animation_sequence) {
   if (unlocked_properties_.get() && unlocked_properties_->wallpaper_is_hidden) {
     animation_sequence->StartAnimation(SessionStateAnimator::WALLPAPER,
                                        SessionStateAnimator::ANIMATION_FADE_OUT,
                                        speed);
   }
 }
 
 }  // namespace ash