Removing deprecated GTK-Views code.

ui/views/widget/gtk_views_window.cc

-// Copyright (c) 2011 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 <gtk/gtk.h>
-
-#include "ui/views/events/event.h"
-#include "ui/views/focus/focus_manager.h"
-#include "ui/views/widget/gtk_views_window.h"
-#include "ui/views/widget/widget.h"
-
-G_BEGIN_DECLS
-
-G_DEFINE_TYPE(GtkViewsWindow, gtk_views_window, GTK_TYPE_WINDOW)
-
-static void gtk_views_window_move_focus(GtkWindow* window,
-                                        GtkDirectionType dir) {
-  views::Widget* widget = views::Widget::GetWidgetForNativeWindow(window);
-  views::FocusManager* focus_manager =
-      widget ? widget->GetFocusManager() : NULL;
-  if (focus_manager) {
-    GdkEvent* key = gtk_get_current_event();
-    if (key && key->type == GDK_KEY_PRESS) {
-      views::KeyEvent key_event(key);
-      focus_manager->OnKeyEvent(key_event);
-    }
-  } else if (GTK_WINDOW_CLASS(gtk_views_window_parent_class)->move_focus) {
-    GTK_WINDOW_CLASS(gtk_views_window_parent_class)->move_focus(window, dir);
-  }
-}
-
-static void gtk_views_window_class_init(
-    GtkViewsWindowClass* views_window_class) {
-  GtkWindowClass* window_class =
-      reinterpret_cast<GtkWindowClass*>(views_window_class);
-  window_class->move_focus = gtk_views_window_move_focus;
-}
-
-static void gtk_views_window_init(GtkViewsWindow* window) {
-}
-
-GtkWidget* gtk_views_window_new(GtkWindowType type) {
-  return GTK_WIDGET(g_object_new(GTK_TYPE_VIEWS_WINDOW, "type", type, NULL));
-}
-
-G_END_DECLS