Make the gtk download shelf autoclose on mouse out.

chrome/browser/ui/gtk/gtk_util.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 "chrome/browser/ui/gtk/gtk_util.h"
 
 #include <cairo/cairo.h>
 #include <gdk/gdkx.h>
 #include <gtk/gtk.h>
 
@@ skipping 454 matching lines @@
 
 gfx::Point GetWidgetScreenPosition(GtkWidget* widget) {
   if (!widget->window) {
     NOTREACHED() << "Must only be called on realized widgets.";
     return gfx::Point(0, 0);
   }
 
   gint x, y;
   gdk_window_get_origin(widget->window, &x, &y);
 
-  if (!GTK_IS_WINDOW(widget)) {
+  if (GTK_WIDGET_NO_WINDOW(widget)) {
     x += widget->allocation.x;
     y += widget->allocation.y;
   }
 
   return gfx::Point(x, y);
 }
 
 gfx::Rect GetWidgetScreenBounds(GtkWidget* widget) {
   gfx::Point position = GetWidgetScreenPosition(widget);
   return gfx::Rect(position.x(), position.y(),
@@ skipping 755 matching lines @@
 
 void DoCopy(BrowserWindow* window) {
   DoCutCopyPaste(window, &RenderViewHost::Copy, "copy-clipboard");
 }
 
 void DoPaste(BrowserWindow* window) {
   DoCutCopyPaste(window, &RenderViewHost::Paste, "paste-clipboard");
 }
 
 }  // namespace gtk_util