gtk: Rename OnDialogResponse() to OnResponse() to standardize on a consistent naming scheme.

chrome/browser/ui/gtk/update_recommended_dialog.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/update_recommended_dialog.h"
 
 #include <gtk/gtk.h>
 
 #include "chrome/browser/browser_list.h"
 #include "chrome/browser/browser_process.h"
@@ skipping 34 matching lines @@
                      FALSE, FALSE, 0);
 
   gtk_window_set_resizable(GTK_WINDOW(dialog_), FALSE);
 
   gtk_widget_show_all(dialog_);
 }
 
 UpdateRecommendedDialog::~UpdateRecommendedDialog() {
 }
 
-void UpdateRecommendedDialog::OnResponse(GtkWidget* sender, gint response_id) {
+void UpdateRecommendedDialog::OnResponse(GtkWidget* dialog, int response_id) {
   gtk_widget_destroy(dialog_);
 
   if (response_id == GTK_RESPONSE_ACCEPT) {
     // Set the flag to restore the last session on shutdown.
     PrefService* pref_service = g_browser_process->local_state();
     pref_service->SetBoolean(prefs::kRestartLastSessionOnShutdown, true);
 
     BrowserList::CloseAllBrowsersAndExit();
   }
 
   delete this;
 }