Migrate simple ash Shell metrics users.

ash/system/chromeos/network/tray_network.cc

 // Copyright (c) 2012 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/chromeos/network/tray_network.h"
 
 #include "ash/common/ash_switches.h"
 #include "ash/common/shelf/wm_shelf_util.h"
 #include "ash/common/system/tray/system_tray_delegate.h"
 #include "ash/common/system/tray/tray_constants.h"
 #include "ash/common/system/tray/tray_item_more.h"
 #include "ash/common/system/tray/tray_item_view.h"
 #include "ash/common/system/tray/tray_utils.h"
-#include "ash/metrics/user_metrics_recorder.h"
+#include "ash/common/wm_shell.h"
 #include "ash/shelf/shelf_util.h"
 #include "ash/shell.h"
 #include "ash/system/chromeos/network/network_state_list_detailed_view.h"
 #include "ash/system/chromeos/network/tray_network_state_observer.h"
 #include "ash/system/tray/system_tray.h"
 #include "ash/system/tray/system_tray_notifier.h"
 #include "base/command_line.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chromeos/network/network_state.h"
 #include "chromeos/network/network_state_handler.h"
@@ skipping 241 matching lines @@
   CHECK(default_ == NULL);
   if (!chromeos::NetworkHandler::IsInitialized())
     return NULL;
   CHECK(tray_ != NULL);
   default_ = new tray::NetworkDefaultView(this, status != LoginStatus::LOCKED);
   return default_;
 }
 
 views::View* TrayNetwork::CreateDetailedView(LoginStatus status) {
   CHECK(detailed_ == NULL);
-  Shell::GetInstance()->metrics()->RecordUserMetricsAction(
-      ash::UMA_STATUS_AREA_DETAILED_NETWORK_VIEW);
+  WmShell::Get()->RecordUserMetricsAction(
+      UMA_STATUS_AREA_DETAILED_NETWORK_VIEW);
   if (!chromeos::NetworkHandler::IsInitialized())
     return NULL;
   if (request_wifi_view_) {
     detailed_ = new tray::NetworkWifiDetailedView(this);
     request_wifi_view_ = false;
   } else {
     detailed_ = new tray::NetworkStateListDetailedView(
         this, tray::NetworkStateListDetailedView::LIST_TYPE_NETWORK, status);
     detailed_->Init();
   }
@@ skipping 23 matching lines @@
 
 void TrayNetwork::RequestToggleWifi() {
   // This will always be triggered by a user action (e.g. keyboard shortcut)
   if (!detailed_ ||
       detailed_->GetViewType() == tray::NetworkDetailedView::WIFI_VIEW) {
     request_wifi_view_ = true;
     PopupDetailedView(kTrayPopupAutoCloseDelayForTextInSeconds, false);
   }
   NetworkStateHandler* handler = NetworkHandler::Get()->network_state_handler();
   bool enabled = handler->IsTechnologyEnabled(NetworkTypePattern::WiFi());
-  Shell::GetInstance()->metrics()->RecordUserMetricsAction(
-      enabled ? ash::UMA_STATUS_AREA_DISABLE_WIFI
-              : ash::UMA_STATUS_AREA_ENABLE_WIFI);
+  WmShell::Get()->RecordUserMetricsAction(
+      enabled ? UMA_STATUS_AREA_DISABLE_WIFI : UMA_STATUS_AREA_ENABLE_WIFI);
   handler->SetTechnologyEnabled(NetworkTypePattern::WiFi(), !enabled,
                                 chromeos::network_handler::ErrorCallback());
 }
 
 void TrayNetwork::OnCaptivePortalDetected(
     const std::string& /* service_path */) {
   NetworkStateChanged();
 }
 
 void TrayNetwork::NetworkStateChanged() {
   if (tray_)
     tray_->UpdateNetworkStateHandlerIcon();
   if (default_)
     default_->Update();
   if (detailed_)
     detailed_->Update();
 }
 
 }  // namespace ash