Devirtualize CHROMEGTK_CALLBACK.

chrome/browser/ui/gtk/hung_renderer_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 "chrome/browser/ui/browser_dialogs.h"
 
 #include <gtk/gtk.h>
 
 #include "base/process_util.h"
 #include "base/utf_string_conversions.h"
@@ skipping 15 matching lines @@
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/gfx/gtk_util.h"
 #include "ui/gfx/image/image.h"
 
 namespace {
 
 // A wrapper class that represents the Gtk dialog.
 class HungRendererDialogGtk {
  public:
   HungRendererDialogGtk();
-  virtual ~HungRendererDialogGtk() {}
+  ~HungRendererDialogGtk() {}
   void ShowForTabContents(TabContents* hung_contents);
   void Hide();
   void EndForTabContents(TabContents* hung_contents);
 
  private:
   // Dismiss the panel if |contents_| is closed or its renderer exits.
   class TabContentsObserverImpl : public TabContentsObserver {
    public:
     TabContentsObserverImpl(HungRendererDialogGtk* dialog,
                             TabContents* contents)
@@ skipping 209 matching lines @@
     g_instance->ShowForTabContents(contents);
   }
 }
 
 void HideNativeHungRendererDialog(TabContents* contents) {
   if (!logging::DialogsAreSuppressed() && g_instance)
     g_instance->EndForTabContents(contents);
 }
 
 }  // namespace browser