Create fuzzer tests for audio decoders

webrtc/test/fuzzers/audio_decoder_fuzzer.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.
+ */
+
+#ifndef WEBRTC_TEST_FUZZERS_AUDIO_DECODER_FUZZER_H_
+#define WEBRTC_TEST_FUZZERS_AUDIO_DECODER_FUZZER_H_
+
+#include <stddef.h>
+
+#include "webrtc/typedefs.h"
+
+namespace webrtc {
+
+class AudioDecoder;
+
+void FuzzAudioDecoder(const uint8_t* data,
+                      size_t size,
+                      AudioDecoder* decoder,
+                      int sample_rate_hz,
+                      size_t max_decoded_bytes,
+                      int16_t* decoded);
+
+}  // namespace webrtc
+
+#endif  // WEBRTC_TEST_FUZZERS_AUDIO_DECODER_FUZZER_H_