Revert "Add IntelligibilityEnhancer support to audioproc_float"

webrtc/modules/audio_processing/test/audio_file_processor.h

 /*
  *  Copyright (c) 2015 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 68 matching lines @@
  private:
   TickIntervalStats proc_time_;
 };
 
 // Used to read from and write to WavFile objects.
 class WavFileProcessor final : public AudioFileProcessor {
  public:
   // Takes ownership of all parameters.
   WavFileProcessor(std::unique_ptr<AudioProcessing> ap,
                    std::unique_ptr<WavReader> in_file,
-                   std::unique_ptr<WavWriter> out_file,
-                   std::unique_ptr<WavReader> reverse_in_file,
-                   std::unique_ptr<WavWriter> reverse_out_file);
+                   std::unique_ptr<WavWriter> out_file);
   virtual ~WavFileProcessor() {}
 
   // Processes one chunk from the WAV input and writes to the WAV output.
   bool ProcessChunk() override;
 
  private:
   std::unique_ptr<AudioProcessing> ap_;
 
   ChannelBuffer<float> in_buf_;
   ChannelBuffer<float> out_buf_;
   const StreamConfig input_config_;
   const StreamConfig output_config_;
   ChannelBufferWavReader buffer_reader_;
   ChannelBufferWavWriter buffer_writer_;
-  std::unique_ptr<ChannelBuffer<float>> reverse_in_buf_;
-  std::unique_ptr<ChannelBuffer<float>> reverse_out_buf_;
-  std::unique_ptr<StreamConfig> reverse_input_config_;
-  std::unique_ptr<StreamConfig> reverse_output_config_;
-  std::unique_ptr<ChannelBufferWavReader> reverse_buffer_reader_;
-  std::unique_ptr<ChannelBufferWavWriter> reverse_buffer_writer_;
 };
 
 // Used to read from an aecdump file and write to a WavWriter.
 class AecDumpFileProcessor final : public AudioFileProcessor {
  public:
   // Takes ownership of all parameters.
   AecDumpFileProcessor(std::unique_ptr<AudioProcessing> ap,
                        FILE* dump_file,
                        std::unique_ptr<WavWriter> out_file);
 
@@ skipping 16 matching lines @@
   ChannelBuffer<float> out_buf_;
   StreamConfig input_config_;
   StreamConfig reverse_config_;
   const StreamConfig output_config_;
   ChannelBufferWavWriter buffer_writer_;
 };
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_MODULES_AUDIO_PROCESSING_TEST_AUDIO_FILE_PROCESSOR_H_