Window ownership -> WindowTreeHost

chrome/browser/ui/libgtk2ui/select_file_dialog_impl_gtk2.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 <gdk/gdk.h>
 #include <gdk/gdkx.h>
 #include <gtk/gtk.h>
 #include <map>
 #include <set>
 #include <vector>
@@ skipping 24 matching lines @@
 // Set |dialog| as transient for |parent|, which will keep it on top and center
 // it above |parent|.
 void SetGtkTransientForAura(GtkWidget* dialog, aura::Window* parent) {
   gtk_widget_realize(dialog);
   GdkWindow* gdk_window = gtk_widget_get_window(dialog);
 
   // TODO(erg): Check to make sure we're using X11 if wayland or some other
   // display server ever happens. Otherwise, this will crash.
   XSetTransientForHint(GDK_WINDOW_XDISPLAY(gdk_window),
                        GDK_WINDOW_XID(gdk_window),
-                       parent->GetDispatcher()->host()->GetAcceleratedWidget());
+                       parent->GetHost()->GetAcceleratedWidget());
 
   // We also set the |parent| as a property of |dialog|, so that we can unlink
   // the two later.
   g_object_set_data(G_OBJECT(dialog), kAuraTransientParent, parent);
 }
 
 // Makes sure that .jpg also shows .JPG.
 gboolean FileFilterCaseInsensitive(const GtkFileFilterInfo* file_info,
                                    std::string* file_extension) {
   return EndsWith(file_info->filename, *file_extension, false);
@@ skipping 575 matching lines @@
   g_free(filename);
   if (pixbuf) {
     gtk_image_set_from_pixbuf(GTK_IMAGE(preview_), pixbuf);
     g_object_unref(pixbuf);
   }
   gtk_file_chooser_set_preview_widget_active(GTK_FILE_CHOOSER(chooser),
                                              pixbuf ? TRUE : FALSE);
 }
 
 }  // namespace libgtk2ui