Reland Remove the deprecated EncodeInternal interface from AudioEncoder

webrtc/modules/audio_coding/codecs/mock/mock_audio_encoder.cc

 /*
  *  Copyright (c) 2016 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.
  */
 
@@ skipping 31 matching lines @@
 AudioEncoder::EncodedInfo MockAudioEncoder::CopyEncoding::operator()(
     uint32_t timestamp,
     rtc::ArrayView<const int16_t> audio,
     rtc::Buffer* encoded) {
   RTC_CHECK(encoded);
   RTC_CHECK_LE(info_.encoded_bytes, payload_.size());
   encoded->AppendData(payload_.data(), info_.encoded_bytes);
   return info_;
 }
 
-MockAudioEncoderDeprecated::CopyEncoding::CopyEncoding(
-    AudioEncoder::EncodedInfo info,
-    rtc::ArrayView<const uint8_t> payload)
-    : info_(info), payload_(payload) { }
-
-MockAudioEncoderDeprecated::CopyEncoding::CopyEncoding(
-    rtc::ArrayView<const uint8_t> payload)
-    : payload_(payload) {
-  info_.encoded_bytes = payload_.size();
-}
-
-AudioEncoder::EncodedInfo MockAudioEncoderDeprecated::CopyEncoding::operator()(
-    uint32_t timestamp,
-    rtc::ArrayView<const int16_t> audio,
-    size_t max_bytes_encoded,
-    uint8_t* encoded) {
-  RTC_CHECK(encoded);
-  RTC_CHECK_LE(info_.encoded_bytes, payload_.size());
-  std::memcpy(encoded, payload_.data(), info_.encoded_bytes);
-  return info_;
-}
-
 }  // namespace webrtc