audio_coding: remove "main" directory

webrtc/modules/audio_coding/main/acm2/call_statistics.cc

Index: webrtc/modules/audio_coding/main/acm2/call_statistics.cc
diff --git a/webrtc/modules/audio_coding/main/acm2/call_statistics.cc b/webrtc/modules/audio_coding/main/acm2/call_statistics.cc
deleted file mode 100644
index 4c3e9fc393906ea78dc150d1e99ecb4bb8a1ef0c..0000000000000000000000000000000000000000
--- a/webrtc/modules/audio_coding/main/acm2/call_statistics.cc
+++ /dev/null
@@ -1,55 +0,0 @@
-/*
- *  Copyright (c) 2013 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.
- */
-
-#include "webrtc/modules/audio_coding/main/acm2/call_statistics.h"
-
-#include <assert.h>
-
-namespace webrtc {
-
-namespace acm2 {
-
-void CallStatistics::DecodedByNetEq(AudioFrame::SpeechType speech_type) {
-  ++decoding_stat_.calls_to_neteq;
-  switch (speech_type) {
-    case AudioFrame::kNormalSpeech: {
-      ++decoding_stat_.decoded_normal;
-      break;
-    }
-    case AudioFrame::kPLC: {
-      ++decoding_stat_.decoded_plc;
-      break;
-    }
-    case AudioFrame::kCNG: {
-      ++decoding_stat_.decoded_cng;
-      break;
-    }
-    case AudioFrame::kPLCCNG: {
-      ++decoding_stat_.decoded_plc_cng;
-      break;
-    }
-    case AudioFrame::kUndefined: {
-      // If the audio is decoded by NetEq, |kUndefined| is not an option.
-      assert(false);
-    }
-  }
-}
-
-void CallStatistics::DecodedBySilenceGenerator() {
-  ++decoding_stat_.calls_to_silence_generator;
-}
-
-const AudioDecodingCallStats& CallStatistics::GetDecodingStatistics() const {
-  return decoding_stat_;
-}
-
-}  // namespace acm2
-
-}  // namespace webrtc