Delete the GTK+ port of Chrome.

ui/base/gtk/scoped_region.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 UI_BASE_GTK_SCOPED_REGION_H_
-#define UI_BASE_GTK_SCOPED_REGION_H_
-
-#include "base/basictypes.h"
-#include "ui/base/ui_base_export.h"
-
-typedef struct _GdkRegion GdkRegion;
-
-namespace ui {
-
-// Wraps a GdkRegion. This class provides the same methods as ScopedGDIObject in
-// base/win/scoped_gdi_object.h.
-class UI_BASE_EXPORT ScopedRegion {
- public:
-  ScopedRegion();
-  explicit ScopedRegion(GdkRegion* region);
-
-  ~ScopedRegion();
-
-  void Set(GdkRegion* region);
-
-  GdkRegion* Get();
-
-  GdkRegion* release();
-
- private:
-  void Close();
-
-  GdkRegion* region_;
-
-  DISALLOW_COPY_AND_ASSIGN(ScopedRegion);
-};
-
-}  // namespace ui
-
-#endif  // UI_BASE_GTK_SCOPED_REGION_H_