Refactor bitrate_controller, remote_bitrate_estimator and congestion_contoller for gn check

webrtc/modules/bitrate_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("../../build/webrtc.gni")
 
 rtc_static_library("bitrate_controller") {
+  # TODO(mbonadei): Remove (bugs.webrtc.org/6828)
+  # Errors on cyclic dependency with:
+  # congestion_controller:congestion_controller if enabled.
+  check_includes = false
+
   sources = [
     "bitrate_controller_impl.cc",
     "bitrate_controller_impl.h",
     "include/bitrate_controller.h",
     "send_side_bandwidth_estimation.cc",
     "send_side_bandwidth_estimation.h",
   ]
 
   if (rtc_enable_bwe_test_logging) {
     defines = [ "BWE_TEST_LOGGING_COMPILE_TIME_ENABLE=1" ]
   } else {
     defines = [ "BWE_TEST_LOGGING_COMPILE_TIME_ENABLE=0" ]
   }
 
   # TODO(jschuh): Bug 1348: fix this warning.
   configs += [ "//build/config/compiler:no_size_t_to_int_warning" ]
 
   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" ]
   }
 
   deps = [
+    "../../base:rtc_base_approved",
     "../../system_wrappers",
+    "../rtp_rtcp:rtp_rtcp",
   ]
 }