Move yet more from WmShell to Shell

ash/common/system/date/date_default_view.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 "ash/common/system/date/date_default_view.h"
 
 #include "ash/common/metrics/user_metrics_action.h"
 #include "ash/common/session/session_controller.h"
 #include "ash/common/shutdown_controller.h"
 #include "ash/common/system/date/date_view.h"
@@ skipping 35 matching lines @@
       date_view_(nullptr) {
   SetLayoutManager(new views::FillLayout);
 
   date_view_ = new tray::DateView(owner);
   date_view_->SetBorder(views::CreateEmptyBorder(
       kPaddingVertical, ash::kTrayPopupPaddingHorizontal, 0, 0));
   SpecialPopupRow* view = new SpecialPopupRow();
   view->SetContent(date_view_);
   AddChildView(view);
 
-  WmShell* shell = WmShell::Get();
+  Shell* shell = Shell::Get();
   const bool adding_user =
       shell->session_controller()->IsInSecondaryLoginScreen();
 
   if (login == LoginStatus::LOCKED || login == LoginStatus::NOT_LOGGED_IN ||
       adding_user)
     return;
 
   date_view_->SetAction(tray::DateView::DateAction::SHOW_DATE_SETTINGS);
 
   help_button_ = new TrayPopupHeaderButton(
@@ skipping 70 matching lines @@
     chromeos::DBusThreadManager::Get()
         ->GetSessionManagerClient()
         ->RequestLockScreen();
   } else {
     NOTREACHED();
   }
   date_view_->CloseSystemBubble();
 }
 
 }  // namespace ash