Before object destruction, make sure that its select dialogs are told that we

chrome/browser/ui/webui/options/advanced_options_handler.cc

Index: chrome/browser/ui/webui/options/advanced_options_handler.cc
===================================================================
--- chrome/browser/ui/webui/options/advanced_options_handler.cc	(revision 79409)
+++ chrome/browser/ui/webui/options/advanced_options_handler.cc	(working copy)
@@ -59,6 +59,10 @@
 }
 
 AdvancedOptionsHandler::~AdvancedOptionsHandler() {
+  // There may be pending file dialogs, we need to tell them that we've gone
+  // away so they don't try and call back to us.
+  if (select_folder_dialog_.get())
+    select_folder_dialog_->ListenerDestroyed();
 }
 
 void AdvancedOptionsHandler::GetLocalizedValues(