audio_coding: remove "main" directory

webrtc/modules/audio_coding/acm2/rent_a_codec_unittest.cc

 /*
  *  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.
  */
 
 #include "testing/gtest/include/gtest/gtest.h"
 #include "webrtc/base/arraysize.h"
 #include "webrtc/modules/audio_coding/codecs/mock/mock_audio_encoder.h"
-#include "webrtc/modules/audio_coding/main/acm2/rent_a_codec.h"
+#include "webrtc/modules/audio_coding/acm2/rent_a_codec.h"
 
 namespace webrtc {
 namespace acm2 {
 
 using ::testing::Return;
 
 namespace {
 const int kDataLengthSamples = 80;
 const int kPacketSizeSamples = 2 * kDataLengthSamples;
 const int16_t kZeroData[kDataLengthSamples] = {0};
@@ skipping 175 matching lines @@
 
 TEST(RentACodecTest, RentEncoderError) {
   const CodecInst codec_inst = {
       0, "Robert'); DROP TABLE Students;", 8000, 160, 1, 64000};
   RentACodec rent_a_codec;
   EXPECT_FALSE(rent_a_codec.RentEncoder(codec_inst));
 }
 
 }  // namespace acm2
 }  // namespace webrtc