Delete the GTK+ port of Chrome.

chrome/browser/ui/gtk/overflow_button.cc

-// Copyright (c) 2012 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/gtk/overflow_button.h"
-
-#include <gtk/gtk.h>
-
-#include "chrome/browser/chrome_notification_types.h"
-#include "chrome/browser/profiles/profile.h"
-#include "chrome/browser/ui/gtk/gtk_theme_service.h"
-#include "content/public/browser/notification_source.h"
-#include "grit/theme_resources.h"
-#include "ui/base/resource/resource_bundle.h"
-#include "ui/gfx/image/image.h"
-
-OverflowButton::OverflowButton(Profile* profile) : profile_(profile) {
-  widget_.Own(GtkThemeService::GetFrom(profile)->BuildChromeButton());
-  gtk_widget_set_no_show_all(widget_.get(), TRUE);
-
-  GtkThemeService* theme_service = GtkThemeService::GetFrom(profile);
-  registrar_.Add(this, chrome::NOTIFICATION_BROWSER_THEME_CHANGED,
-                 content::Source<ThemeService>(theme_service));
-  theme_service->InitThemesFor(this);
-}
-
-OverflowButton::~OverflowButton() {
-  widget_.Destroy();
-}
-
-void OverflowButton::Observe(int type,
-                             const content::NotificationSource& source,
-                             const content::NotificationDetails& details) {
-  GtkWidget* former_child = gtk_bin_get_child(GTK_BIN(widget()));
-  if (former_child)
-    gtk_widget_destroy(former_child);
-
-  GtkWidget* new_child;
-  if (GtkThemeService::GetFrom(profile_)->UsingNativeTheme()) {
-    new_child = gtk_arrow_new(GTK_ARROW_DOWN, GTK_SHADOW_NONE);
-  } else {
-    const gfx::Image& image = ui::ResourceBundle::GetSharedInstance().
-        GetNativeImageNamed(IDR_BOOKMARK_BAR_CHEVRONS,
-                            ui::ResourceBundle::RTL_ENABLED);
-    new_child = gtk_image_new_from_pixbuf(image.ToGdkPixbuf());
-  }
-
-  gtk_container_add(GTK_CONTAINER(widget()), new_child);
-  gtk_widget_show(new_child);
-}