Delete the GTK+ port of Chrome.

chrome/browser/ui/gtk/bookmarks/bookmark_bar_instructions_gtk.h

-// 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.
-
-#ifndef CHROME_BROWSER_UI_GTK_BOOKMARKS_BOOKMARK_BAR_INSTRUCTIONS_GTK_H_
-#define CHROME_BROWSER_UI_GTK_BOOKMARKS_BOOKMARK_BAR_INSTRUCTIONS_GTK_H_
-
-#include "base/basictypes.h"
-#include "base/compiler_specific.h"
-#include "content/public/browser/notification_observer.h"
-#include "content/public/browser/notification_registrar.h"
-#include "ui/base/gtk/gtk_signal.h"
-
-typedef struct _GtkWidget GtkWidget;
-class BookmarkBarInstructionsDelegate;
-class GtkThemeService;
-class Profile;
-
-class BookmarkBarInstructionsGtk : public content::NotificationObserver {
- public:
-  BookmarkBarInstructionsGtk(BookmarkBarInstructionsDelegate* delegate,
-                             Profile* profile);
-
-  // Get the native widget.
-  GtkWidget* widget() const { return instructions_hbox_; }
-
- private:
-  // Overridden from content::NotificationObserver:
-  virtual void Observe(int type,
-                       const content::NotificationSource& source,
-                       const content::NotificationDetails& details) OVERRIDE;
-
-  CHROMEGTK_CALLBACK_0(BookmarkBarInstructionsGtk, void, OnButtonClick);
-
-  // Sets the correct color for |instructions_label_| and |instructions_link_|.
-  void UpdateColors();
-
-  BookmarkBarInstructionsDelegate* delegate_;
-
-  Profile* profile_;
-
-  GtkThemeService* theme_service_;
-
-  // HBox that holds the the label and link of bookmark bar import promotion.
-  GtkWidget* instructions_hbox_;
-  GtkWidget* instructions_label_;
-  GtkWidget* instructions_link_;
-
-  content::NotificationRegistrar registrar_;
-
-  DISALLOW_COPY_AND_ASSIGN(BookmarkBarInstructionsGtk);
-};
-
-#endif  // CHROME_BROWSER_UI_GTK_BOOKMARKS_BOOKMARK_BAR_INSTRUCTIONS_GTK_H_