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

chrome/browser/ui/input_window_dialog_gtk.cc

 // Copyright (c) 2010 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/input_window_dialog.h"
 
 #include <gtk/gtk.h>
 
 #include "base/message_loop.h"
 #include "base/scoped_ptr.h"
@@ skipping 80 matching lines @@
 }
 
 void InputWindowDialogGtk::Show() {
   gtk_util::ShowDialog(dialog_);
 }
 
 void InputWindowDialogGtk::Close() {
   // Under the model that we've inherited from Windows, dialogs can receive
   // more than one Close() call inside the current message loop event.
   if (dialog_) {
-    gtk_widget_destroy(GTK_WIDGET(dialog_));
+    gtk_widget_destroy(dialog_);
     dialog_ = NULL;
   }
 }
 
 void InputWindowDialogGtk::OnEntryChanged(GtkEditable* entry) {
   std::wstring value(UTF8ToWide(gtk_entry_get_text(GTK_ENTRY(entry))));
   gtk_dialog_set_response_sensitive(GTK_DIALOG(dialog_),
                                     GTK_RESPONSE_ACCEPT,
                                     delegate_->IsValid(value));
 }
@@ skipping 26 matching lines @@
                                              const std::wstring& window_title,
                                              const std::wstring& label,
                                              const std::wstring& contents,
                                              Delegate* delegate) {
   return new InputWindowDialogGtk(parent,
                                   WideToUTF8(window_title),
                                   WideToUTF8(label),
                                   WideToUTF8(contents),
                                   delegate);
 }