Move more from WmShell to Shell

ash/common/system/user/user_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/user/user_view.h"
 
 #include <algorithm>
 #include <utility>
 
 #include "ash/common/multi_profile_uma.h"
@@ skipping 251 matching lines @@
 }
 
 int UserView::GetHeightForWidth(int width) const {
   return GetPreferredSize().height();
 }
 
 void UserView::ButtonPressed(views::Button* sender, const ui::Event& event) {
   if (sender == logout_button_) {
     WmShell::Get()->RecordUserMetricsAction(UMA_STATUS_AREA_SIGN_OUT);
     RemoveAddUserMenuOption();
-    WmShell::Get()->system_tray_controller()->SignOut();
+    Shell::Get()->system_tray_controller()->SignOut();
   } else if (sender == user_card_view_ &&
              IsMultiProfileSupportedAndUserActive()) {
     if (IsActiveUser()) {
       ToggleAddUserMenuOption();
     } else {
       RemoveAddUserMenuOption();
       SwitchUser(user_index_);
       // Since the user list is about to change the system menu should get
       // closed.
       owner_->system_tray()->CloseSystemBubble();
     }
   } else if (add_menu_option_ &&
              sender->GetWidget() == add_menu_option_.get()) {
     RemoveAddUserMenuOption();
     // Let the user add another account to the session.
     MultiProfileUMA::RecordSigninUser(MultiProfileUMA::SIGNIN_USER_BY_TRAY);
-    WmShell::Get()->system_tray_delegate()->ShowUserLogin();
+    Shell::Get()->system_tray_delegate()->ShowUserLogin();
     owner_->system_tray()->CloseSystemBubble();
   } else {
     NOTREACHED();
   }
 }
 
 void UserView::OnWillChangeFocus(View* focused_before, View* focused_now) {
   if (focused_now)
     RemoveAddUserMenuOption();
 }
@@ skipping 96 matching lines @@
     return;
   focus_manager_->RemoveFocusChangeListener(this);
   focus_manager_ = nullptr;
   if (user_card_view_->GetFocusManager())
     user_card_view_->GetFocusManager()->ClearFocus();
   add_menu_option_.reset();
 }
 
 }  // namespace tray
 }  // namespace ash