mash: Migrate ShellDelegate ownership and access to WmShell.

chrome/browser/chromeos/login/lock/webui_screen_locker.cc

 // Copyright 2014 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/chromeos/login/lock/webui_screen_locker.h"
 
+#include "ash/common/shell_delegate.h"
+#include "ash/common/wm_shell.h"
 #include "ash/shell.h"
 #include "ash/system/chromeos/power/power_event_observer.h"
 #include "ash/wm/lock_state_controller.h"
 #include "ash/wm/lock_state_observer.h"
 #include "base/command_line.h"
 #include "base/metrics/histogram.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/values.h"
 #include "chrome/browser/browser_shutdown.h"
 #include "chrome/browser/chrome_notification_types.h"
@@ skipping 43 matching lines @@
 
 ////////////////////////////////////////////////////////////////////////////////
 // WebUIScreenLocker implementation.
 
 WebUIScreenLocker::WebUIScreenLocker(ScreenLocker* screen_locker)
     : ScreenLockerDelegate(screen_locker),
       network_state_helper_(new login::NetworkStateHelper),
       weak_factory_(this) {
   set_should_emit_login_prompt_visible(false);
   ash::Shell::GetInstance()->lock_state_controller()->AddObserver(this);
-  ash::Shell::GetInstance()->delegate()->AddVirtualKeyboardStateObserver(this);
+  ash::WmShell::Get()->delegate()->AddVirtualKeyboardStateObserver(this);
   display::Screen::GetScreen()->AddObserver(this);
   DBusThreadManager::Get()->GetPowerManagerClient()->AddObserver(this);
 
   if (keyboard::KeyboardController::GetInstance()) {
     keyboard::KeyboardController::GetInstance()->AddObserver(this);
     is_observing_keyboard_ = true;
   }
 }
 
 void WebUIScreenLocker::LockScreen() {
@@ skipping 77 matching lines @@
 void WebUIScreenLocker::ResetAndFocusUserPod() {
   if (!webui_ready_)
     return;
   GetWebUI()->CallJavascriptFunctionUnsafe("cr.ui.Oobe.clearUserPodPassword");
   FocusUserPod();
 }
 
 WebUIScreenLocker::~WebUIScreenLocker() {
   DBusThreadManager::Get()->GetPowerManagerClient()->RemoveObserver(this);
   display::Screen::GetScreen()->RemoveObserver(this);
-  ash::Shell::GetInstance()->
-      lock_state_controller()->RemoveObserver(this);
+  ash::Shell::GetInstance()->lock_state_controller()->RemoveObserver(this);
 
-  ash::Shell::GetInstance()->delegate()->
-      RemoveVirtualKeyboardStateObserver(this);
+  ash::WmShell::Get()->delegate()->RemoveVirtualKeyboardStateObserver(this);
   // In case of shutdown, lock_window_ may be deleted before WebUIScreenLocker.
   if (lock_window_) {
     lock_window_->RemoveObserver(this);
     lock_window_->Close();
   }
   // If LockScreen() was called, we need to clear the signin screen handler
   // delegate set in ShowSigninScreen so that it no longer points to us.
   if (login_display_.get()) {
     static_cast<OobeUI*>(GetWebUI()->GetController())->
         ResetSigninScreenHandlerDelegate();
@@ skipping 220 matching lines @@
   }
 
   if (GetOobeUI()) {
     const gfx::Size& size = primary_display.size();
     GetOobeUI()->GetCoreOobeActor()->SetClientAreaSize(size.width(),
                                                        size.height());
   }
 }
 
 }  // namespace chromeos