Migrate simple ash Shell metrics users.

ash/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/system/user/user_view.h"
 
 #include <algorithm>
 #include <utility>
 
 #include "ash/common/session/session_state_delegate.h"
@@ skipping 52 matching lines @@
 };
 
 // When a hover border is used, it is starting this many pixels before the icon
 // position.
 const int kTrayUserTileHoverBorderInset = 10;
 
 // Offsetting the popup message relative to the tray menu.
 const int kPopupMessageOffset = 25;
 
 // Switch to a user with the given |user_index|.
-void SwitchUser(ash::UserIndex user_index) {
+void SwitchUser(UserIndex user_index) {
   // Do not switch users when the log screen is presented.
-  if (ash::Shell::GetInstance()
-          ->session_state_delegate()
-          ->IsUserSessionBlocked())
+  SessionStateDelegate* delegate = WmShell::Get()->GetSessionStateDelegate();
+  if (delegate->IsUserSessionBlocked())
     return;
 
   DCHECK(user_index > 0);
-  ash::SessionStateDelegate* delegate =
-      ash::Shell::GetInstance()->session_state_delegate();
-  ash::MultiProfileUMA::RecordSwitchActiveUser(
-      ash::MultiProfileUMA::SWITCH_ACTIVE_USER_BY_TRAY);
+  MultiProfileUMA::RecordSwitchActiveUser(
+      MultiProfileUMA::SWITCH_ACTIVE_USER_BY_TRAY);
   delegate->SwitchActiveUser(delegate->GetUserInfo(user_index)->GetAccountId());
 }
 
 bool IsMultiProfileSupportedAndUserActive() {
-  auto* shell = Shell::GetInstance();
-  return shell->delegate()->IsMultiProfilesEnabled() &&
-         !shell->session_state_delegate()->IsUserSessionBlocked();
+  return Shell::GetInstance()->delegate()->IsMultiProfilesEnabled() &&
+         !WmShell::Get()->GetSessionStateDelegate()->IsUserSessionBlocked();
 }
 
 class UserViewMouseWatcherHost : public views::MouseWatcherHost {
  public:
   explicit UserViewMouseWatcherHost(const gfx::Rect& screen_area)
       : screen_area_(screen_area) {}
   ~UserViewMouseWatcherHost() override {}
 
   // Implementation of MouseWatcherHost.
   bool Contains(const gfx::Point& screen_point,
@@ skipping 187 matching lines @@
     logout_button_->SetBoundsRect(logout_area);
   } else if (user_card_view_) {
     user_card_view_->SetBoundsRect(contents_area);
   } else if (logout_button_) {
     logout_button_->SetBoundsRect(contents_area);
   }
 }
 
 void UserView::ButtonPressed(views::Button* sender, const ui::Event& event) {
   if (sender == logout_button_) {
-    Shell::GetInstance()->metrics()->RecordUserMetricsAction(
-        ash::UMA_STATUS_AREA_SIGN_OUT);
+    WmShell::Get()->RecordUserMetricsAction(UMA_STATUS_AREA_SIGN_OUT);
     RemoveAddUserMenuOption();
     WmShell::Get()->system_tray_delegate()->SignOut();
   } else if (sender == user_card_view_ &&
              IsMultiProfileSupportedAndUserActive()) {
     if (!user_index_) {
       ToggleAddUserMenuOption();
     } else {
       RemoveAddUserMenuOption();
       SwitchUser(user_index_);
       // Since the user list is about to change the system menu should get
@@ skipping 139 matching lines @@
   add_menu_option_->SetBounds(bounds);
 
   // Show the content.
   add_menu_option_->SetAlwaysOnTop(true);
   add_menu_option_->Show();
 
   AddUserView* add_user_view =
       new AddUserView(static_cast<ButtonFromView*>(user_card_view_));
 
   const SessionStateDelegate* delegate =
-      Shell::GetInstance()->session_state_delegate();
+      WmShell::Get()->GetSessionStateDelegate();
 
   SessionStateDelegate::AddUserError add_user_error;
   add_user_enabled_ = delegate->CanAddUserToMultiProfile(&add_user_error);
 
   ButtonFromView* button = new ButtonFromView(add_user_view,
                                               add_user_enabled_ ? this : NULL,
                                               add_user_enabled_,
                                               gfx::Insets(1, 1, 1, 1));
   button->SetAccessibleName(
       l10n_util::GetStringUTF16(IDS_ASH_STATUS_TRAY_SIGN_IN_ANOTHER_ACCOUNT));
@@ skipping 53 matching lines @@
   focus_manager_ = NULL;
   if (user_card_view_->GetFocusManager())
     user_card_view_->GetFocusManager()->ClearFocus();
   popup_message_.reset();
   mouse_watcher_.reset();
   add_menu_option_.reset();
 }
 
 }  // namespace tray
 }  // namespace ash