Move smoothing filter to common audio and exp_filter to base/analytics.

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/webrtc.gni")
 import("audio_coding.gni")
@@ skipping 690 matching lines @@
     "codecs/opus/audio_encoder_opus.h",
     "codecs/opus/opus_inst.h",
     "codecs/opus/opus_interface.c",
     "codecs/opus/opus_interface.h",
   ]
 
   deps = [
     ":audio_decoder_interface",
     ":audio_encoder_interface",
     ":audio_network_adaptor",
+    "../../base:rtc_analytics",
     "../../base:rtc_base_approved",
   ]
 
   defines = []
 
   if (rtc_build_opus) {
     public_deps = [
       rtc_opus_dir,
     ]
     if (rtc_opus_variable_complexity) {
@@ skipping 36 matching lines @@
     "audio_network_adaptor/controller_manager.h",
     "audio_network_adaptor/debug_dump_writer.cc",
     "audio_network_adaptor/debug_dump_writer.h",
     "audio_network_adaptor/dtx_controller.cc",
     "audio_network_adaptor/dtx_controller.h",
     "audio_network_adaptor/fec_controller.cc",
     "audio_network_adaptor/fec_controller.h",
     "audio_network_adaptor/frame_length_controller.cc",
     "audio_network_adaptor/frame_length_controller.h",
     "audio_network_adaptor/include/audio_network_adaptor.h",
-    "audio_network_adaptor/smoothing_filter.cc",
-    "audio_network_adaptor/smoothing_filter.h",
   ]
 
   deps = [
     "../..:webrtc_common",
     "../../system_wrappers",
   ]
 
   if (rtc_enable_protobuf) {
     deps += [
       ":ana_config_proto",
@@ skipping 904 matching lines @@
       "../../test:test_support_main",
       "//testing/gtest",
     ]
 
     if (!build_with_chromium && is_clang) {
       # Suppress warnings from the Chromium Clang plugin (bugs.webrtc.org/163).
       suppressed_configs += [ "//build/config/clang:find_bad_constructs" ]
     }
   }
 }