Move GetRootWindowController() to root_window_controller.h

ash/touch/touch_hud_debug.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/touch/touch_hud_debug.h"
 
 #include "ash/display/display_manager.h"
 #include "ash/root_window_controller.h"
 #include "ash/shell.h"
-#include "ash/wm/property_util.h"
 #include "base/json/json_string_value_serializer.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
 #include "third_party/skia/include/core/SkPath.h"
 #include "ui/aura/root_window.h"
 #include "ui/base/animation/animation_delegate.h"
 #include "ui/base/events/event.h"
 #include "ui/gfx/canvas.h"
 #include "ui/gfx/display.h"
@@ skipping 461 matching lines @@
   controller->set_touch_hud_debug(this);
 }
 
 void TouchHudDebug::UnsetHudForRootWindowController(
     RootWindowController* controller) {
   controller->set_touch_hud_debug(NULL);
 }
 
 }  // namespace internal
 }  // namespace ash