Conversational Speech tool, WavReaderAdaptor and unit test

webrtc/modules/audio_processing/test/conversational_speech/mock_wavreader.h

 /*
  *  Copyright (c) 2017 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_MODULES_AUDIO_PROCESSING_TEST_CONVERSATIONAL_SPEECH_MOCK_WAVREADER_H_
 #define WEBRTC_MODULES_AUDIO_PROCESSING_TEST_CONVERSATIONAL_SPEECH_MOCK_WAVREADER_H_
 
 #include <cstddef>
 #include <string>
 
+#include "webrtc/base/array_view.h"
 #include "webrtc/modules/audio_processing/test/conversational_speech/wavreader_interface.h"
 #include "webrtc/test/gmock.h"
 #include "webrtc/typedefs.h"
 
 namespace webrtc {
 namespace test {
 namespace conversational_speech {
 
 class MockWavReader : public WavReaderInterface {
  public:
   MockWavReader(int sample_rate, size_t num_channels, size_t num_samples);
   ~MockWavReader();
 
   // TODO(alessiob): use ON_CALL to return random samples.
-  MOCK_METHOD2(ReadFloatSamples, size_t(size_t, float*));
-  MOCK_METHOD2(ReadInt16Samples, size_t(size_t, int16_t*));
+  MOCK_METHOD1(ReadFloatSamples, size_t(rtc::ArrayView<float>));
+  MOCK_METHOD1(ReadInt16Samples, size_t(rtc::ArrayView<int16_t>));
 
-  MOCK_CONST_METHOD0(sample_rate, int());
-  MOCK_CONST_METHOD0(num_channels, size_t());
-  MOCK_CONST_METHOD0(num_samples, size_t());
+  MOCK_CONST_METHOD0(SampleRate, int());
+  MOCK_CONST_METHOD0(NumChannels, size_t());
+  MOCK_CONST_METHOD0(NumSamples, size_t());
 
  private:
   const int sample_rate_;
   const size_t num_channels_;
   const size_t num_samples_;
 };
 
 }  // namespace conversational_speech
 }  // namespace test
 }  // namespace webrtc
 
 #endif  // WEBRTC_MODULES_AUDIO_PROCESSING_TEST_CONVERSATIONAL_SPEECH_MOCK_WAVREADER_H_