Delete the GTK+ port of Chrome.

ui/gfx/skia_utils_gtk.h

Index: ui/gfx/skia_utils_gtk.h
diff --git a/ui/gfx/skia_utils_gtk.h b/ui/gfx/skia_utils_gtk.h
deleted file mode 100644
index 6b74da246eaddcc3116b9902ffaf79941d02e6aa..0000000000000000000000000000000000000000
--- a/ui/gfx/skia_utils_gtk.h
+++ /dev/null
@@ -1,23 +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 UI_GFX_SKIA_UTILS_GTK_H_
-#define UI_GFX_SKIA_UTILS_GTK_H_
-
-#include "third_party/skia/include/core/SkColor.h"
-#include "ui/gfx/gfx_export.h"
-
-typedef struct _GdkColor GdkColor;
-
-namespace gfx {
-
-// Converts GdkColors to the ARGB layout Skia expects.
-GFX_EXPORT SkColor GdkColorToSkColor(GdkColor color);
-
-// Converts ARGB to GdkColor.
-GFX_EXPORT GdkColor SkColorToGdkColor(SkColor color);
-
-}  // namespace gfx
-
-#endif  // UI_GFX_SKIA_UTILS_GTK_H_