audio_coding: remove "main" directory

webrtc/modules/audio_coding/BUILD.gn

 # Copyright (c) 2014 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.
 
 import("//build/config/arm.gni")
 import("../../build/webrtc.gni")
 
 source_set("rent_a_codec") {
   sources = [
-    "main/acm2/acm_codec_database.cc",
-    "main/acm2/acm_codec_database.h",
-    "main/acm2/rent_a_codec.cc",
-    "main/acm2/rent_a_codec.h",
+    "acm2/acm_codec_database.cc",
+    "acm2/acm_codec_database.h",
+    "acm2/rent_a_codec.cc",
+    "acm2/rent_a_codec.h",
   ]
   configs += [ "../..:common_config" ]
   public_configs = [ "../..:common_inherited_config" ]
   deps = [
     "../..:webrtc_common",
   ]
 
   defines = []
   if (rtc_include_opus) {
     defines += [ "WEBRTC_CODEC_OPUS" ]
   }
   if (!build_with_mozilla) {
     if (current_cpu == "arm") {
       defines += [ "WEBRTC_CODEC_ISACFX" ]
     } else {
       defines += [ "WEBRTC_CODEC_ISAC" ]
     }
     defines += [ "WEBRTC_CODEC_G722" ]
   }
   if (!build_with_mozilla && !build_with_chromium) {
     defines += [
       "WEBRTC_CODEC_ILBC",
       "WEBRTC_CODEC_RED",
     ]
   }
 }
 
 config("audio_coding_config") {
   include_dirs = [
-    "main/include",
+    "include",
     "../include",
   ]
 }
 
 source_set("audio_coding") {
   sources = [
-    "main/acm2/acm_common_defs.h",
-    "main/acm2/acm_receiver.cc",
-    "main/acm2/acm_receiver.h",
-    "main/acm2/acm_resampler.cc",
-    "main/acm2/acm_resampler.h",
-    "main/acm2/audio_coding_module.cc",
-    "main/acm2/audio_coding_module_impl.cc",
-    "main/acm2/audio_coding_module_impl.h",
-    "main/acm2/call_statistics.cc",
-    "main/acm2/call_statistics.h",
-    "main/acm2/codec_manager.cc",
-    "main/acm2/codec_manager.h",
-    "main/acm2/initial_delay_manager.cc",
-    "main/acm2/initial_delay_manager.h",
-    "main/include/audio_coding_module.h",
-    "main/include/audio_coding_module_typedefs.h",
+    "acm2/acm_common_defs.h",
+    "acm2/acm_receiver.cc",
+    "acm2/acm_receiver.h",
+    "acm2/acm_resampler.cc",
+    "acm2/acm_resampler.h",
+    "acm2/audio_coding_module.cc",
+    "acm2/audio_coding_module_impl.cc",
+    "acm2/audio_coding_module_impl.h",
+    "acm2/call_statistics.cc",
+    "acm2/call_statistics.h",
+    "acm2/codec_manager.cc",
+    "acm2/codec_manager.h",
+    "acm2/initial_delay_manager.cc",
+    "acm2/initial_delay_manager.h",
+    "include/audio_coding_module.h",
+    "include/audio_coding_module_typedefs.h",
   ]
 
   defines = []
 
   configs += [ "../..:common_config" ]
 
   public_configs = [
     "../..:common_inherited_config",
     ":audio_coding_config",
   ]
@@ skipping 776 matching lines @@
       deps += [ ":isac" ]
     }
     defines += [ "WEBRTC_CODEC_G722" ]
     deps += [ ":g722" ]
   }
   if (!build_with_mozilla && !build_with_chromium) {
     defines += [ "WEBRTC_CODEC_ILBC" ]
     deps += [ ":ilbc" ]
   }
 }