Cleanup: media_stream_api.* ==> media_stream_utils.*

content/public/renderer/media_stream_api.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 CONTENT_PUBLIC_RENDERER_MEDIA_STREAM_API_H_
-#define CONTENT_PUBLIC_RENDERER_MEDIA_STREAM_API_H_
-
-#include "content/common/content_export.h"
-#include "media/base/audio_capturer_source.h"
-#include "media/base/channel_layout.h"
-#include "media/base/video_capture_types.h"
-#include "media/base/video_capturer_source.h"
-
-namespace blink {
-class WebMediaStream;
-class WebMediaStreamTrack;
-}
-
-namespace content {
-// These methods create a WebMediaStreamSource + MediaStreamSource pair with the
-// provided audio or video capturer source. A new WebMediaStreamTrack +
-// MediaStreamTrack pair is created, connected to the source and is plugged into
-// the WebMediaStream (|web_media_stream|).
-// |is_remote| should be true if the source of the data is not a local device.
-// |is_readonly| should be true if the format of the data cannot be changed by
-//     MediaTrackConstraints.
-CONTENT_EXPORT bool AddVideoTrackToMediaStream(
-    scoped_ptr<media::VideoCapturerSource> video_source,
-    bool is_remote,
-    bool is_readonly,
-    blink::WebMediaStream* web_media_stream);
-
-// |sample_rate|, |channel_layout|, and |frames_per_buffer| specify the audio
-// parameters of the track. Generally, these should match the |audio_source| so
-// that it does not have to perform unnecessary sample rate conversion or
-// channel mixing.
-CONTENT_EXPORT bool AddAudioTrackToMediaStream(
-    scoped_refptr<media::AudioCapturerSource> audio_source,
-    int sample_rate,
-    media::ChannelLayout channel_layout,
-    int frames_per_buffer,
-    bool is_remote,
-    bool is_readonly,
-    blink::WebMediaStream* web_media_stream);
-
-// On success returns pointer to the current format of the given video track;
-// returns nullptr on failure (if the argument is invalid or if the format
-// cannot be retrieved at the moment).
-CONTENT_EXPORT const media::VideoCaptureFormat* GetCurrentVideoTrackFormat(
-    const blink::WebMediaStreamTrack& video_track);
-
-}  // namespace content
-
-#endif  // CONTENT_PUBLIC_RENDERER_MEDIA_STREAM_API_H_