Delete the GTK+ port of Chrome.

chrome/browser/ui/gtk/view_id_util.h

-// 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_VIEW_ID_UTIL_H_
-#define CHROME_BROWSER_UI_GTK_VIEW_ID_UTIL_H_
-
-#include "chrome/browser/ui/view_ids.h"
-
-typedef struct _GtkWidget GtkWidget;
-
-class ViewIDUtil {
- public:
-  // Use this delegate to override default view id searches.
-  class Delegate {
-   public:
-    virtual GtkWidget* GetWidgetForViewID(ViewID id) = 0;
-
-   protected:
-    virtual ~Delegate() {}
-  };
-
-  // If you set the ID via this function, it will also set the name of your
-  // widget to a human-readable value for debugging.
-  static void SetID(GtkWidget* widget, ViewID id);
-
-  static GtkWidget* GetWidget(GtkWidget* root, ViewID id);
-
-  static void SetDelegateForWidget(GtkWidget* widget, Delegate* delegate);
-};
-
-#endif  // CHROME_BROWSER_UI_GTK_VIEW_ID_UTIL_H_