Structure of BBR's implementation,some main classes and functions which are going to be used

webrtc/modules/BUILD.gn

 # Copyright (c) 2016 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")
 import("audio_coding/audio_coding.gni")
@@ skipping 180 matching lines @@
     "//resources/sprint-uplink.rx",
     "//resources/synthetic-trace.rx",
     "//resources/tmobile-downlink.rx",
     "//resources/tmobile-uplink.rx",
     "//resources/verizon3g-downlink.rx",
     "//resources/verizon3g-uplink.rx",
     "//resources/verizon4g-downlink.rx",
     "//resources/verizon4g-uplink.rx",
     "//resources/voice_engine/audio_tiny48.wav",
   ]
-
   if (is_ios) {
     bundle_data("modules_unittests_bundle_data") {
       testonly = true
       sources = modules_unittests_resources
       outputs = [
         "{{bundle_resources_dir}}/{{source_file_part}}",
       ]
     }
   }
 
@@ skipping 40 matching lines @@
       shard_timeout = 900
     }
     if (is_ios) {
       info_plist = "//webrtc/test/ios/Info.plist"
       deps += [ ":modules_unittests_bundle_data" ]
       configs += [ "..:common_objc" ]
       ldflags = [ "-ObjC" ]
     }
   }
 }