media: Move audio_parameters and audio_point to media/base/

media/audio/point.h

-// Copyright 2015 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_AUDIO_POINT_H_
-#define MEDIA_AUDIO_POINT_H_
-
-#include <string>
-#include <vector>
-
-#include "media/base/media_export.h"
-#include "ui/gfx/geometry/point3_f.h"
-
-namespace media {
-
-using Point = gfx::Point3F;
-
-// Returns a vector of points parsed from a whitespace-separated string
-// formatted as: "x1 y1 z1 ... zn yn zn" for n points.
-//
-// Returns an empty vector if |points_string| is empty or isn't parseable.
-MEDIA_EXPORT std::vector<Point> ParsePointsFromString(
-    const std::string& points_string);
-
-// Returns |points| as a human-readable string. (Not necessarily in the format
-// required by ParsePointsFromString).
-MEDIA_EXPORT std::string PointsToString(const std::vector<Point>& points);
-
-}  // namespace media
-
-#endif  // MEDIA_AUDIO_POINT_H_