Moves Shell::maximize_mode_controller() to WmShell

ash/accelerators/debug_commands.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/accelerators/debug_commands.h"
 
 #include "ash/accelerators/accelerator_commands.h"
 #include "ash/common/ash_switches.h"
 #include "ash/common/wm/maximize_mode/maximize_mode_controller.h"
+#include "ash/common/wm_shell.h"
 #include "ash/debug.h"
 #include "ash/desktop_background/desktop_background_controller.h"
 #include "ash/desktop_background/user_wallpaper_delegate.h"
 #include "ash/display/display_manager.h"
 #include "ash/host/ash_window_tree_host.h"
 #include "ash/root_window_controller.h"
 #include "ash/shell.h"
 #include "ash/shell_delegate.h"
 #include "ash/system/toast/toast_data.h"
 #include "ash/system/toast/toast_manager.h"
@@ skipping 118 matching lines @@
 }
 
 void HandleToggleTouchscreen() {
   base::RecordAction(base::UserMetricsAction("Accel_Toggle_Touchscreen"));
 
   ash::Shell::GetInstance()->delegate()->ToggleTouchscreen();
 }
 
 void HandleToggleToggleTouchView() {
   MaximizeModeController* controller =
-      Shell::GetInstance()->maximize_mode_controller();
+      WmShell::Get()->maximize_mode_controller();
   controller->EnableMaximizeModeWindowManager(
       !controller->IsMaximizeModeWindowManagerEnabled());
 }
 
 #endif  // defined(OS_CHROMEOS)
 
 }  // namespace
 
 void PrintUIHierarchies() {
   // This is a separate command so the user only has to hit one key to generate
@@ skipping 63 matching lines @@
     case DEBUG_TOGGLE_SHOW_PAINT_RECTS:
       ToggleShowPaintRects();
       break;
     default:
       break;
   }
 }
 
 }  // namespace debug
 }  // namespace ash