media: Inform VideoBlit/MFTransform of video color information

ui/gfx/color_space_win.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_GFX_COLOR_SPACE_WIN_H_
+#define UI_GFX_COLOR_SPACE_WIN_H_
+
+#include <d3d9.h>
+
+// Work around bug in this header by disabling the relevant warning for it.
+// https://connect.microsoft.com/VisualStudio/feedback/details/911260/dxva2api-h-in-win8-sdk-triggers-c4201-with-w4
+#pragma warning(push)
+#pragma warning(disable : 4201)
+#include <dxva2api.h>
+#pragma warning(pop)
+
+#include "ui/gfx/color_space.h"
+
+namespace gfx {
+
+class GFX_EXPORT ColorSpaceWin {
+ public:
+  static DXVA2_ExtendedFormat GetExtendedFormat(const ColorSpace& color_space);
+};
+
+}  // namespace gfx
+#endif