Adding a Wayland basic toolkit

ui/wayland/wayland_buffer.h

Index: ui/wayland/wayland_buffer.h
diff --git a/ui/wayland/wayland_buffer.h b/ui/wayland/wayland_buffer.h
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+++ b/ui/wayland/wayland_buffer.h
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+// 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_WAYLAND_WAYLAND_BUFFER_H_
+#define UI_WAYLAND_WAYLAND_BUFFER_H_
+
+#include "base/basictypes.h"
+
+struct wl_buffer;
+
+namespace ui {
+
+// Wrapper around a wl_buffer. A wl_buffer is associated with a drawing
+// surface.
+//
+// This class is a basic interface of what a buffer should be/provide.
+// Implementations whould create and destroy the wl_buffer.
+class WaylandBuffer {
+ public:
+  WaylandBuffer();
+  virtual ~WaylandBuffer();
+
+  wl_buffer* buffer() const { return buffer_; }
+
+ protected:
+  // Owned by this object and should be destroyed by this object.
+  wl_buffer* buffer_;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(WaylandBuffer);
+};
+
+}  // namespace ui
+
+#endif  // UI_WAYLAND_WAYLAND_BUFFER_H_