Revert of Adding debug dump to audio network adaptor.

webrtc/modules/audio_coding/audio_network_adaptor/mock/mock_debug_dump_writer.h

-/*
- *  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.
- */
-
-#ifndef WEBRTC_MODULES_AUDIO_CODING_AUDIO_NETWORK_ADAPTOR_MOCK_MOCK_DEBUG_DUMP_WRITER_H_
-#define WEBRTC_MODULES_AUDIO_CODING_AUDIO_NETWORK_ADAPTOR_MOCK_MOCK_DEBUG_DUMP_WRITER_H_
-
-#include "testing/gmock/include/gmock/gmock.h"
-#include "webrtc/modules/audio_coding/audio_network_adaptor/debug_dump_writer.h"
-
-namespace webrtc {
-
-class MockDebugDumpWriter : public DebugDumpWriter {
- public:
-  virtual ~MockDebugDumpWriter() { Die(); }
-  MOCK_METHOD0(Die, void());
-
-  MOCK_METHOD2(DumpEncoderRuntimeConfig,
-               void(const AudioNetworkAdaptor::EncoderRuntimeConfig& config,
-                    int64_t timestamp));
-  MOCK_METHOD2(DumpNetworkMetrics,
-               void(const Controller::NetworkMetrics& metrics,
-                    int64_t timestamp));
-};
-
-}  // namespace webrtc
-
-#endif  // WEBRTC_MODULES_AUDIO_CODING_AUDIO_NETWORK_ADAPTOR_MOCK_MOCK_DEBUG_DUMP_WRITER_H_