gtk: Make use of the gtk signal macro in HtmlDialogGtk class.

chrome/browser/gtk/html_dialog_gtk.cc

-// Copyright (c) 2009 The Chromium Authors. All rights reserved.
+// 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/gtk/html_dialog_gtk.h"
 
 #include <gtk/gtk.h>
 
 #include "chrome/browser/browser.h"
 #include "chrome/browser/browser_window.h"
 #include "chrome/browser/dom_ui/html_dialog_ui.h"
@@ skipping 123 matching lines @@
   GtkDialogFlags flags = GTK_DIALOG_NO_SEPARATOR;
   if (delegate_->IsDialogModal())
     flags = static_cast<GtkDialogFlags>(flags | GTK_DIALOG_MODAL);
 
   dialog_ = gtk_dialog_new_with_buttons(
       WideToUTF8(delegate_->GetDialogTitle()).c_str(),
       parent_window_,
       flags,
       NULL);
 
-  g_signal_connect(dialog_, "response", G_CALLBACK(OnResponse), this);
+  g_signal_connect(dialog_, "response", G_CALLBACK(OnResponseThunk), this);
 
   tab_contents_container_.reset(new TabContentsContainerGtk(NULL));
   gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialog_)->vbox),
                      tab_contents_container_->widget(), TRUE, TRUE, 0);
 
   tab_contents_container_->SetTabContents(tab_contents_.get());
 
   gfx::Size dialog_size;
   delegate_->GetDialogSize(&dialog_size);
 
   gtk_widget_set_size_request(GTK_WIDGET(tab_contents_container_->widget()),
                               dialog_size.width(),
                               dialog_size.height());
 
   gtk_widget_show_all(dialog_);
 }
 
-// static
-void HtmlDialogGtk::OnResponse(GtkWidget* widget, int response,
-                               HtmlDialogGtk* dialog) {
-  dialog->OnDialogClosed(std::string());
+void HtmlDialogGtk::OnResponse(GtkWidget* dialog, int response_id) {
+  OnDialogClosed(std::string());
 }