Make GTK file dialog box modal for parent window, instead of for the entire...

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/path.h"
@@ skipping 186 matching lines @@
 
   gtk_widget_show_all(window_);
   // Make sure our window has focus, is brought to the top, etc.
   gtk_window_present(GTK_WINDOW(window_));
   // We add a GTK (application level) grab.  This means we will get all
   // keyboard and mouse events for our application, even if they were delivered
   // on another window.  This allows us to close when the user clicks outside
   // of the info bubble.  We don't use an X grab since that would steal
   // keystrokes from your window manager, prevent you from interacting with
   // other applications, etc.
+  //
+  // Before adding the grab, we need to ensure that the bubble is added
+  // to the window group of the top level window. This ensures that the
+  // grab only affects the current browser window, and not all the open
+  // browser windows in the application.
+  gtk_window_group_add_window(gtk_window_get_group(transient_toplevel),
+                              GTK_WINDOW(window_));
   gtk_grab_add(window_);
 }
 
 void InfoBubbleGtk::Close(bool closed_by_escape) {
   // Notify the delegate that we're about to close.  This gives the chance
   // to save state / etc from the hosted widget before it's destroyed.
   if (delegate_)
     delegate_->InfoBubbleClosing(this, closed_by_escape);
 
   DCHECK(window_);
@@ skipping 31 matching lines @@
   // destroy the widget manually, or the window was closed via X.  This will
   // delete the InfoBubbleGtk object.
   delete this;
   return FALSE;  // Propagate.
 }
 
 gboolean InfoBubbleGtk::HandleFocusOut(GdkEventButton* event) {
   Close();
   return FALSE;  // Propagate.
 }