Move GetRootWindowController() to root_window_controller.h

ash/touch/touch_observer_hud_unittest.cc

 // Copyright (c) 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_observer_hud.h"
 
 #include "ash/ash_switches.h"
 #include "ash/display/display_manager.h"
 #include "ash/root_window_controller.h"
 #include "ash/screen_ash.h"
 #include "ash/shell.h"
 #include "ash/test/ash_test_base.h"
 #include "ash/test/display_manager_test_api.h"
 #include "ash/touch/touch_hud_debug.h"
-#include "ash/wm/property_util.h"
 #include "base/command_line.h"
 #include "base/format_macros.h"
 #include "base/strings/stringprintf.h"
 #include "ui/aura/window.h"
 
 namespace ash {
 namespace internal {
 
 class TouchHudTest : public test::AshTestBase {
  public:
@@ skipping 385 matching lines @@
   // Add the internal display back.
   AddInternalDisplay();
 
   // Check if the display's touch HUD is set correctly.
   EXPECT_EQ(internal_display_id(), GetPrimaryDisplay().id());
   CheckInternalDisplay();
 }
 
 }  // namespace internal
 }  // namespace ash