Added initial implementation of Vulkan Render Passes.

gpu/vulkan/tests/native_window.h

Index: gpu/vulkan/tests/native_window.h
diff --git a/gpu/vulkan/tests/native_window.h b/gpu/vulkan/tests/native_window.h
new file mode 100644
index 0000000000000000000000000000000000000000..28e5155c91e319a7bb4c240911485ed4b45178f4
--- /dev/null
+++ b/gpu/vulkan/tests/native_window.h
@@ -0,0 +1,16 @@
+// Copyright (c) 2016 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.
+
+#include "ui/gfx/native_widget_types.h"
+
+namespace gfx {
+class Rect;
+}  // namespace gfx
+
+namespace gpu {
+
+gfx::AcceleratedWidget CreateNativeWindow(const gfx::Rect& bounds);
+void DestroyNativeWindow(gfx::AcceleratedWidget window);
+
+}  // namespace gpu