Adds support for point conversions to ui::Layer.

ui/gfx/compositor/test_compositor_host.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 UI_GFX_COMPOSITOR_TEST_COMPOSITOR_HOST_H_
+#define UI_GFX_COMPOSITOR_TEST_COMPOSITOR_HOST_H_
+#pragma once
+
+#include "base/message_loop.h"
+#include "ui/gfx/native_widget_types.h"
+
+namespace gfx {
+class Rect;
+class Size;
+}
+
+namespace ui {
+
+class Compositor;
+
+class TestCompositorHost : public MessageLoop::Dispatcher {
+ public:
+  virtual ~TestCompositorHost() {}
+
+  // Creates a new TestCompositorHost. The caller owns the returned value.
+  static TestCompositorHost* Create(const gfx::Rect& bounds);
+
+  // Shows the TestCompositorHost.
+  virtual void Show() = 0;
+
+  virtual ui::Compositor* GetCompositor() = 0;
+};
+
+}  // namespace ui
+
+#endif  // UI_GFX_COMPOSITOR_TEST_COMPOSITOR_HOST_H_