Remove unused cricket::AudioFrame class.

BUG=

Review URL: https://codereview.webrtc.org/1891933002

Cr-Commit-Position: refs/heads/master@{#12379}

webrtc/media/base/audioframe.h

@@ -1,45 +0,0 @@
-/*
- *  Copyright (c) 2004 The WebRTC project authors. All Rights Reserved.
- *
- *  Use of this source code is governed by a BSD-style license
- *  that can be found in the LICENSE file in the root of the source
- *  tree. An additional intellectual property rights grant can be found
- *  in the file PATENTS.  All contributing project authors may
- *  be found in the AUTHORS file in the root of the source tree.
- */
-
-#ifndef WEBRTC_MEDIA_BASE_AUDIOFRAME_H_
-#define WEBRTC_MEDIA_BASE_AUDIOFRAME_H_
-
-namespace cricket {
-
-class AudioFrame {
- public:
-  AudioFrame()
-      : audio10ms_(NULL),
-        length_(0),
-        sampling_frequency_(8000),
-        stereo_(false) {
-  }
-  AudioFrame(int16_t* audio, size_t audio_length, int sample_freq, bool stereo)
-      : audio10ms_(audio),
-        length_(audio_length),
-        sampling_frequency_(sample_freq),
-        stereo_(stereo) {}
-
-  int16_t* GetData() { return audio10ms_; }
-  size_t GetSize() const { return length_; }
-  int GetSamplingFrequency() const { return sampling_frequency_; }
-  bool GetStereo() const { return stereo_; }
-
- private:
-  // TODO(janahan): currently the data is not owned by this class.
-  // add ownership when we come up with the first use case that requires it.
-  int16_t* audio10ms_;
-  size_t length_;
-  int sampling_frequency_;
-  bool stereo_;
-};
-
-}  // namespace cricket
-#endif  // WEBRTC_MEDIA_BASE_AUDIOFRAME_H_

webrtc/media/engine/webrtcvoiceengine.cc

@@ -29,7 +29,6 @@
 #include "webrtc/base/trace_event.h"
 #include "webrtc/call/rtc_event_log.h"
 #include "webrtc/common.h"
-#include "webrtc/media/base/audioframe.h"
 #include "webrtc/media/base/audiosource.h"
 #include "webrtc/media/base/mediaconstants.h"
 #include "webrtc/media/base/streamparams.h"

webrtc/media/media.gyp

@@ -30,7 +30,6 @@
         ],
       },
       'sources': [
-        'base/audioframe.h',
         'base/audiosource.h',
         'base/codec.cc',
         'base/codec.h',