Linux: Stack autocomplete popup window directly on top of the browser's tople...

chrome/browser/gtk/info_bubble_gtk.cc

 // 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.
 
 #include "chrome/browser/gtk/info_bubble_gtk.h"
 
 #include <gdk/gdkkeysyms.h>
 #include <gtk/gtk.h>
 
 #include "app/gfx/gtk_util.h"
@@ skipping 242 matching lines @@
     screen_x = toplevel_x + rect_.x() + (rect_.width() / 2) - kArrowX;
   }
 
   gint screen_y = toplevel_y + rect_.y() + rect_.height() +
                   kArrowToContentPadding;
 
   gtk_window_move(GTK_WINDOW(window_), screen_x, screen_y);
 }
 
 void InfoBubbleGtk::StackWindow() {
-  // Stack our window directly above the toplevel window.  Our window is a
-  // direct child of the root window, so we need to find a similar ancestor
-  // for the toplevel window (which might have been reparented by a window
-  // manager).
-  XID toplevel_window_base = x11_util::GetHighestAncestorWindow(
-      x11_util::GetX11WindowFromGtkWidget(GTK_WIDGET(toplevel_window_)),
-      x11_util::GetX11RootWindow());
-  if (toplevel_window_base) {
-    XID window_xid = x11_util::GetX11WindowFromGtkWidget(GTK_WIDGET(window_));
-    XID window_parent = x11_util::GetParentWindow(window_xid);
-    if (window_parent == x11_util::GetX11RootWindow()) {
-      x11_util::RestackWindow(window_xid, toplevel_window_base, true);
-    } else {
-      // The window manager shouldn't reparent override-redirect windows.
-      DLOG(ERROR) << "override-redirect window " << window_xid
-                  << "'s parent is " << window_parent
-                  << ", rather than root window "
-                  << x11_util::GetX11RootWindow();
-    }
-  }
+  // Stack our window directly above the toplevel window.
+  gtk_util::StackPopupWindow(window_, GTK_WIDGET(toplevel_window_));
 }
 
 void InfoBubbleGtk::Observe(NotificationType type,
                             const NotificationSource& source,
                             const NotificationDetails& details) {
   DCHECK_EQ(type.value, NotificationType::BROWSER_THEME_CHANGED);
   if (theme_provider_->UseGtkTheme()) {
     gtk_widget_modify_bg(window_, GTK_STATE_NORMAL, NULL);
   } else {
     // Set the background color, so we don't need to paint it manually.
@@ skipping 95 matching lines @@
 gboolean InfoBubbleGtk::HandleToplevelConfigure(GdkEventConfigure* event) {
   MoveWindow();
   StackWindow();
   return FALSE;
 }
 
 gboolean InfoBubbleGtk::HandleToplevelUnmap() {
   Close();
   return FALSE;
 }