Migrate simple ash Shell metrics users.

ash/system/chromeos/brightness/tray_brightness.cc

 // Copyright 2013 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/brightness/tray_brightness.h"
 
 #include <algorithm>
 
 #include "ash/accelerators/accelerator_controller.h"
 #include "ash/common/ash_constants.h"
 #include "ash/common/shell_observer.h"
 #include "ash/common/system/tray/fixed_sized_image_view.h"
 #include "ash/common/system/tray/system_tray_delegate.h"
 #include "ash/common/system/tray/tray_constants.h"
 #include "ash/common/wm_shell.h"
-#include "ash/metrics/user_metrics_recorder.h"
 #include "ash/shell.h"
 #include "ash/system/brightness_control_delegate.h"
 #include "ash/system/tray/system_tray_notifier.h"
 #include "ash/wm/maximize_mode/maximize_mode_controller.h"
 #include "base/bind.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "chromeos/dbus/dbus_thread_manager.h"
 #include "chromeos/dbus/power_manager_client.h"
 #include "grit/ash_resources.h"
@@ skipping 188 matching lines @@
 }
 
 views::View* TrayBrightness::CreateDefaultView(LoginStatus status) {
   CHECK(brightness_view_ == NULL);
   brightness_view_ = new tray::BrightnessView(true, current_percent_);
   return brightness_view_;
 }
 
 views::View* TrayBrightness::CreateDetailedView(LoginStatus status) {
   CHECK(brightness_view_ == NULL);
-  Shell::GetInstance()->metrics()->RecordUserMetricsAction(
-      ash::UMA_STATUS_AREA_DETAILED_BRIGHTNESS_VIEW);
+  WmShell::Get()->RecordUserMetricsAction(
+      UMA_STATUS_AREA_DETAILED_BRIGHTNESS_VIEW);
   brightness_view_ = new tray::BrightnessView(false, current_percent_);
   return brightness_view_;
 }
 
 void TrayBrightness::DestroyTrayView() {
 }
 
 void TrayBrightness::DestroyDefaultView() {
   if (brightness_view_ && brightness_view_->is_default_view())
     brightness_view_ = NULL;
 }
 
 void TrayBrightness::DestroyDetailedView() {
   if (brightness_view_ && !brightness_view_->is_default_view())
     brightness_view_ = NULL;
 }
 
 void TrayBrightness::UpdateAfterLoginStatusChange(LoginStatus status) {}
 
 bool TrayBrightness::ShouldHideArrow() const {
   return true;
 }
 
 bool TrayBrightness::ShouldShowShelf() const {
   return false;
 }
 
 void TrayBrightness::BrightnessChanged(int level, bool user_initiated) {
-  Shell::GetInstance()->metrics()->RecordUserMetricsAction(
-      ash::UMA_STATUS_AREA_BRIGHTNESS_CHANGED);
+  WmShell::Get()->RecordUserMetricsAction(UMA_STATUS_AREA_BRIGHTNESS_CHANGED);
   double percent = static_cast<double>(level);
   HandleBrightnessChanged(percent, user_initiated);
 }
 
 void TrayBrightness::HandleBrightnessChanged(double percent,
                                              bool user_initiated) {
   current_percent_ = percent;
   got_current_percent_ = true;
 
   if (brightness_view_)
     brightness_view_->SetBrightnessPercent(percent);
 
   if (!user_initiated)
     return;
 
   // Never show the bubble on systems that lack internal displays: if an
   // external display's brightness is changed, it may already display the new
   // level via an on-screen display.
   if (!display::Display::HasInternalDisplay())
     return;
 
   if (brightness_view_)
     SetDetailedViewCloseDelay(kTrayPopupAutoCloseDelayInSeconds);
   else
     PopupDetailedView(kTrayPopupAutoCloseDelayInSeconds, false);
 }
 
 }  // namespace ash