Conversational Speech tool, WavReaderAdaptor and unit test

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

Index: webrtc/modules/audio_processing/test/conversational_speech/wavreader_adaptor.h
diff --git a/webrtc/modules/audio_processing/test/conversational_speech/wavreader_adaptor.h b/webrtc/modules/audio_processing/test/conversational_speech/wavreader_adaptor.h
index 54894934dbc5f4b5fd84d88afeff680a649810a8..e2ccedb16d5fa036aeb15fb52b90b7eb03d393d3 100644
--- a/webrtc/modules/audio_processing/test/conversational_speech/wavreader_adaptor.h
+++ b/webrtc/modules/audio_processing/test/conversational_speech/wavreader_adaptor.h
@@ -13,27 +13,15 @@
 
 #include "webrtc/modules/audio_processing/test/conversational_speech/wavreader_interface.h"
 
-#include <cstddef>
+#include <memory>
 #include <string>
 
-#include "webrtc/typedefs.h"
-
 namespace webrtc {
 namespace test {
 namespace conversational_speech {
 
-class WavReaderAdaptor : public WavReaderInterface {
- public:
-  explicit WavReaderAdaptor(const std::string& filepath);
-  ~WavReaderAdaptor() override;
-
-  size_t ReadFloatSamples(size_t num_samples, float* samples) override;
-  size_t ReadInt16Samples(size_t num_samples, int16_t* samples) override;
-
-  int sample_rate() const override;
-  size_t num_channels() const override;
-  size_t num_samples() const override;
-};
+std::unique_ptr<WavReaderInterface> CreateWavReaderAdaptor(
+    const std::string& filepath);
 
 }  // namespace conversational_speech
 }  // namespace test