Devirtualize CHROMEGTK_CALLBACK.

chrome/browser/ui/gtk/extensions/extension_install_dialog_gtk.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 <gtk/gtk.h>
 
 #include "base/string_util.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/extensions/extension_install_dialog.h"
 #include "chrome/browser/profiles/profile.h"
@@ skipping 34 matching lines @@
 // dismissed. Success/failure is passed back through the ExtensionInstallUI::
 // Delegate instance.
 class ExtensionInstallDialog {
  public:
   ExtensionInstallDialog(GtkWindow* parent,
                          ExtensionInstallUI::Delegate *delegate,
                          const Extension* extension,
                          SkBitmap* skia_icon,
                          const ExtensionInstallUI::Prompt& prompt);
  private:
-  virtual ~ExtensionInstallDialog();
+  ~ExtensionInstallDialog();
 
   CHROMEGTK_CALLBACK_1(ExtensionInstallDialog, void, OnResponse, int);
   CHROMEGTK_CALLBACK_0(ExtensionInstallDialog, void, OnStoreLinkClick);
 
   ExtensionInstallUI::Delegate* delegate_;
   const Extension* extension_;
   GtkWidget* dialog_;
 };
 
 ExtensionInstallDialog::ExtensionInstallDialog(
@@ skipping 186 matching lines @@
     delegate->InstallUIAbort(false);
     return;
   }
 
   new ExtensionInstallDialog(browser_window->window(),
                              delegate,
                              extension,
                              icon,
                              prompt);
 }