Delete the GTK+ port of Chrome.

chrome/browser/ui/gtk/overflow_button.h

Index: chrome/browser/ui/gtk/overflow_button.h
diff --git a/chrome/browser/ui/gtk/overflow_button.h b/chrome/browser/ui/gtk/overflow_button.h
deleted file mode 100644
index a7c3b7f57cfbe0d8b026c9c6a5def8a1b9b3a291..0000000000000000000000000000000000000000
--- a/chrome/browser/ui/gtk/overflow_button.h
+++ /dev/null
@@ -1,38 +0,0 @@
-// 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.
-
-#ifndef CHROME_BROWSER_UI_GTK_OVERFLOW_BUTTON_H_
-#define CHROME_BROWSER_UI_GTK_OVERFLOW_BUTTON_H_
-
-#include "base/compiler_specific.h"
-#include "content/public/browser/notification_observer.h"
-#include "content/public/browser/notification_registrar.h"
-#include "ui/base/gtk/owned_widget_gtk.h"
-
-typedef struct _GtkWidget GtkWidget;
-class Profile;
-
-// An overflow chevron button. The button itself is a plain gtk_chrome_button,
-// and this class handles theming it.
-class OverflowButton : public content::NotificationObserver {
- public:
-  explicit OverflowButton(Profile* profile);
-  virtual ~OverflowButton();
-
-  GtkWidget* widget() { return widget_.get(); }
-
- private:
-  // content::NotificationObserver implementation.
-  virtual void Observe(int type,
-                       const content::NotificationSource& source,
-                       const content::NotificationDetails& details) OVERRIDE;
-
-  ui::OwnedWidgetGtk widget_;
-
-  Profile* profile_;
-
-  content::NotificationRegistrar registrar_;
-};
-
-#endif  // CHROME_BROWSER_UI_GTK_OVERFLOW_BUTTON_H_