mash: Migrate ShellDelegate ownership and access to WmShell.

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>
 
 #include "ash/cancel_mode.h"
 #include "ash/common/accessibility_delegate.h"
 #include "ash/common/ash_switches.h"
+#include "ash/common/shell_delegate.h"
 #include "ash/common/shell_window_ids.h"
 #include "ash/common/wm_shell.h"
 #include "ash/shell.h"
-#include "ash/shell_delegate.h"
 #include "ash/wm/session_state_animator.h"
 #include "ash/wm/session_state_animator_impl.h"
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/command_line.h"
 #include "base/location.h"
 #include "base/logging.h"
 #include "base/metrics/histogram_macros.h"
 #include "base/strings/string_util.h"
 #include "base/timer/timer.h"
@@ skipping 179 matching lines @@
   StartUnlockAnimationBeforeUIDestroyed(callback);
 }
 
 void LockStateController::SetLockScreenDisplayedCallback(
     const base::Closure& callback) {
   lock_screen_displayed_callback_ = callback;
 }
 
 void LockStateController::OnHostCloseRequested(
     const aura::WindowTreeHost* host) {
-  Shell::GetInstance()->delegate()->Exit();
+  WmShell::Get()->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 98 matching lines @@
   real_shutdown_timer_.Start(
       FROM_HERE, duration, base::Bind(&LockStateController::OnRealPowerTimeout,
                                       base::Unretained(this)));
 }
 
 void LockStateController::OnRealPowerTimeout() {
   VLOG(1) << "OnRealPowerTimeout";
   DCHECK(shutting_down_);
 #if defined(OS_CHROMEOS)
   if (!base::SysInfo::IsRunningOnChromeOS()) {
-    ShellDelegate* delegate = Shell::GetInstance()->delegate();
+    ShellDelegate* delegate = WmShell::Get()->delegate();
     if (delegate) {
       delegate->Exit();
       return;
     }
   }
 #endif
   WmShell::Get()->RecordUserMetricsAction(UMA_ACCEL_SHUT_DOWN_POWER_BUTTON);
   delegate_->RequestShutdown();
 }
 
@@ skipping 247 matching lines @@
     SessionStateAnimator::AnimationSequence* animation_sequence) {
   if (unlocked_properties_.get() &&
       unlocked_properties_->background_is_hidden) {
     animation_sequence->StartAnimation(SessionStateAnimator::DESKTOP_BACKGROUND,
                                        SessionStateAnimator::ANIMATION_FADE_OUT,
                                        speed);
   }
 }
 
 }  // namespace ash