Move TooltipWindowGtk from views/widget to ui/base/gtk.

views/widget/tooltip_manager_gtk.h

 // Copyright (c) 2009 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.
 
 #ifndef VIEWS_WIDGET_TOOLTIP_MANAGER_GTK_H_
 #define VIEWS_WIDGET_TOOLTIP_MANAGER_GTK_H_
 #pragma once
 
 #include <gtk/gtk.h>
 
+#include "ui/base/gtk/tooltip_window_gtk.h"
 #include "views/widget/tooltip_manager.h"
-#include "views/widget/tooltip_window_gtk.h"
 
 namespace views {
 
 class NativeWidgetGtk;
 
 // TooltipManager implementation for Gtk.
 class TooltipManagerGtk : public TooltipManager {
  public:
   explicit TooltipManagerGtk(NativeWidgetGtk* widget);
   virtual ~TooltipManagerGtk() {}
@@ skipping 13 matching lines @@
   // keyboard tooltip if it isn't showing, or hides it if it is showing.
   bool SendShowHelpSignal();
 
   // Our owner.
   NativeWidgetGtk* widget_;
 
   // The view supplied to the last invocation of ShowKeyboardTooltip.
   View* keyboard_view_;
 
   // Customized tooltip window.
-  TooltipWindowGtk tooltip_window_;
+  ui::TooltipWindowGtk tooltip_window_;
 
   DISALLOW_COPY_AND_ASSIGN(TooltipManagerGtk);
 };
 
 }  // namespace views
 
 #endif // VIEWS_WIDGET_TOOLTIP_MANAGER_GTK_H_