Revert of media: add video capture device for ARC++ camera HAL v3

media/capture/video/chromeos/pixel_format_utils.h

Index: media/capture/video/chromeos/pixel_format_utils.h
diff --git a/media/capture/video/chromeos/pixel_format_utils.h b/media/capture/video/chromeos/pixel_format_utils.h
deleted file mode 100644
index 221257792ae86421e10761676657bf9674328aeb..0000000000000000000000000000000000000000
--- a/media/capture/video/chromeos/pixel_format_utils.h
+++ /dev/null
@@ -1,23 +0,0 @@
-// Copyright 2017 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 MEDIA_CAPTURE_VIDEO_CHROMEOS_PIXEL_FORMAT_UTILS_H_
-#define MEDIA_CAPTURE_VIDEO_CHROMEOS_PIXEL_FORMAT_UTILS_H_
-
-#include "media/capture/video/chromeos/mojo/arc_camera3.mojom.h"
-#include "media/capture/video_capture_types.h"
-
-namespace media {
-
-// Converts the HAL pixel format |from| to Chromium pixel format.  Returns
-// PIXEL_FORMAT_UNKNOWN if |from| is not supported.
-VideoPixelFormat PixFormatHalToChromium(arc::mojom::HalPixelFormat from);
-
-// Converts the Chromium pixel format |from| to DRM pixel format.  Returns 0
-// if |from| is not supported.
-uint32_t PixFormatChromiumToDrm(VideoPixelFormat from);
-
-}  // namespace media
-
-#endif  // MEDIA_CAPTURE_VIDEO_CHROMEOS_PIXEL_FORMAT_UTILS_H_