Move yet more from WmShell to Shell

ash/aura/wm_shell_aura.cc

 // Copyright 2016 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/aura/wm_shell_aura.h"
 
 #include <utility>
 
 #include "ash/accelerators/accelerator_controller_delegate_aura.h"
 #include "ash/aura/key_event_watcher_aura.h"
@@ skipping 273 matching lines @@
 
 std::unique_ptr<AcceleratorController>
 WmShellAura::CreateAcceleratorController() {
   DCHECK(!accelerator_controller_delegate_);
   accelerator_controller_delegate_ =
       base::MakeUnique<AcceleratorControllerDelegateAura>();
   return base::MakeUnique<AcceleratorController>(
       accelerator_controller_delegate_.get(), nullptr);
 }
 
-void WmShellAura::SessionStateChanged(session_manager::SessionState state) {
-  // Create the shelf if necessary.
-  WmShell::SessionStateChanged(state);
-
-  // Recreate the keyboard after initial login and after multiprofile login.
-  if (state == session_manager::SessionState::ACTIVE)
-    Shell::GetInstance()->CreateKeyboard();
-}
-
 void WmShellAura::OnDisplayConfigurationChanging() {
   for (auto& observer : display_observers_)
     observer.OnDisplayConfigurationChanging();
 }
 
 void WmShellAura::OnDisplayConfigurationChanged() {
   for (auto& observer : display_observers_)
     observer.OnDisplayConfigurationChanged();
 }
 
 }  // namespace ash