Move root_window.* to window_event_dispatcher.*

ui/views/widget/tooltip_manager_aura.cc

 // Copyright (c) 2012 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 "ui/views/widget/tooltip_manager_aura.h"
 
 #include "base/logging.h"
 #include "ui/aura/client/screen_position_client.h"
 #include "ui/aura/client/tooltip_client.h"
-#include "ui/aura/root_window.h"
+#include "ui/aura/window_event_dispatcher.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/gfx/rect.h"
 #include "ui/gfx/screen.h"
 #include "ui/views/widget/widget.h"
 
 namespace views {
 
 // static
 int TooltipManager::GetTooltipHeight() {
   // Not used for linux and chromeos.
@@ skipping 112 matching lines @@
     tooltip_text_.clear();
   }
   aura::client::GetTooltipClient(root_window)->UpdateTooltip(GetWindow());
 }
 
 aura::Window* TooltipManagerAura::GetWindow() {
   return widget_->GetNativeView();
 }
 
 }  // namespace views.