ash: Use enum for SessionController::CycleActiveUser

ash/common/accelerators/accelerator_controller.cc

Index: ash/common/accelerators/accelerator_controller.cc
diff --git a/ash/common/accelerators/accelerator_controller.cc b/ash/common/accelerators/accelerator_controller.cc
index 2c3e2f353fbf82d66f0ec4cadb39c375234525cd..5549da6a20c44d090a759d9986c67afc756e8a8e 100644
--- a/ash/common/accelerators/accelerator_controller.cc
+++ b/ash/common/accelerators/accelerator_controller.cc
@@ -415,14 +415,14 @@ bool CanHandleCycleUser() {
          WmShell::Get()->GetSessionStateDelegate()->NumberOfLoggedInUsers() > 1;
 }
 
-void HandleCycleUser(SessionStateDelegate::CycleUser cycle_user) {
+void HandleCycleUser(CycleUser cycle_user) {
   MultiProfileUMA::RecordSwitchActiveUser(
       MultiProfileUMA::SWITCH_ACTIVE_USER_BY_ACCELERATOR);
   switch (cycle_user) {
-    case SessionStateDelegate::CYCLE_TO_NEXT_USER:
+    case CycleUser::CYCLE_TO_NEXT_USER:
       base::RecordAction(UserMetricsAction("Accel_Switch_To_Next_User"));
       break;
-    case SessionStateDelegate::CYCLE_TO_PREVIOUS_USER:
+    case CycleUser::CYCLE_TO_PREVIOUS_USER:
       base::RecordAction(UserMetricsAction("Accel_Switch_To_Previous_User"));
       break;
   }
@@ -1025,10 +1025,10 @@ void AcceleratorController::PerformAction(AcceleratorAction action,
       HandleSwitchIme(ime_control_delegate_.get(), accelerator);
       break;
     case SWITCH_TO_NEXT_USER:
-      HandleCycleUser(SessionStateDelegate::CYCLE_TO_NEXT_USER);
+      HandleCycleUser(CycleUser::CYCLE_TO_NEXT_USER);
       break;
     case SWITCH_TO_PREVIOUS_USER:
-      HandleCycleUser(SessionStateDelegate::CYCLE_TO_PREVIOUS_USER);
+      HandleCycleUser(CycleUser::CYCLE_TO_PREVIOUS_USER);
       break;
     case TOGGLE_APP_LIST:
       HandleToggleAppList(accelerator);