Move more from WmShell to Shell

ash/metrics/user_metrics_recorder.cc

Index: ash/metrics/user_metrics_recorder.cc
diff --git a/ash/metrics/user_metrics_recorder.cc b/ash/metrics/user_metrics_recorder.cc
index b9e87b0d0ca8e38e3b74f9fd4c404bc6e07b51a1..311086bd1da0fbb600320e9f18278789cf908f11 100644
--- a/ash/metrics/user_metrics_recorder.cc
+++ b/ash/metrics/user_metrics_recorder.cc
@@ -85,20 +85,20 @@ ActiveWindowStateType GetActiveWindowState() {
 
 // Returns true if kiosk mode is active.
 bool IsKioskModeActive() {
-  return WmShell::Get()->system_tray_delegate()->GetUserLoginStatus() ==
+  return Shell::Get()->system_tray_delegate()->GetUserLoginStatus() ==
          LoginStatus::KIOSK_APP;
 }
 
 // Returns true if ARC kiosk mode is active.
 bool IsArcKioskModeActive() {
-  return WmShell::Get()->system_tray_delegate()->GetUserLoginStatus() ==
+  return Shell::Get()->system_tray_delegate()->GetUserLoginStatus() ==
          LoginStatus::ARC_KIOSK_APP;
 }
 
 // Returns true if there is an active user and their session isn't currently
 // locked.
 bool IsUserActive() {
-  switch (WmShell::Get()->system_tray_delegate()->GetUserLoginStatus()) {
+  switch (Shell::Get()->system_tray_delegate()->GetUserLoginStatus()) {
     case LoginStatus::NOT_LOGGED_IN:
     case LoginStatus::LOCKED:
       return false;