Split CongestionController into send- and receive-side classes.

webrtc/modules/congestion_controller/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("../../webrtc.gni")
 
 rtc_static_library("congestion_controller") {
   sources = [
     "congestion_controller.cc",
     "delay_based_bwe.cc",
     "delay_based_bwe.h",
     "include/congestion_controller.h",
+    "include/receive_side_congestion_controller.h",
+    "include/send_side_congestion_controller.h",
     "median_slope_estimator.cc",
     "median_slope_estimator.h",
     "probe_bitrate_estimator.cc",
     "probe_bitrate_estimator.h",
     "probe_controller.cc",
     "probe_controller.h",
     "probing_interval_estimator.cc",
     "probing_interval_estimator.h",
+    "receive_side_congestion_controller.cc",
+    "send_side_congestion_controller.cc",
     "transport_feedback_adapter.cc",
     "transport_feedback_adapter.h",
     "trendline_estimator.cc",
     "trendline_estimator.h",
   ]
 
   if (rtc_enable_bwe_test_logging) {
     defines = [ "BWE_TEST_LOGGING_COMPILE_TIME_ENABLE=1" ]
   } else {
     defines = [ "BWE_TEST_LOGGING_COMPILE_TIME_ENABLE=0" ]
@@ skipping 51 matching lines @@
       "../remote_bitrate_estimator:remote_bitrate_estimator_unittests",
       "../rtp_rtcp:rtp_rtcp",
       "//testing/gmock",
     ]
     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" ]
     }
   }
 }