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

chrome/browser/gtk/browser_window_gtk.cc

Index: chrome/browser/gtk/browser_window_gtk.cc
===================================================================
--- chrome/browser/gtk/browser_window_gtk.cc	(revision 21116)
+++ chrome/browser/gtk/browser_window_gtk.cc	(working copy)
@@ -391,6 +391,11 @@
   gtk_widget_add_events(GTK_WIDGET(window_), GDK_BUTTON_PRESS_MASK |
                                              GDK_POINTER_MOTION_MASK);
 
+  // Add this window to its own unique window group to allow for
+  // window-to-parent modality.
+  gtk_window_group_add_window(gtk_window_group_new(), window_);
+  g_object_unref(gtk_window_get_group(window_));
+
   gtk_util::SetWindowIcon(window_);
   SetBackgroundColor();
   SetGeometryHints();