Adding a new ChangeLogger class to handle UMA logging of bitrates

webrtc/modules/audio_coding/main/acm2/codec_manager.h

 /*
  *  Copyright (c) 2015 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.
  */
 
 #ifndef WEBRTC_MODULES_AUDIO_CODING_MAIN_ACM2_CODEC_MANAGER_H_
 #define WEBRTC_MODULES_AUDIO_CODING_MAIN_ACM2_CODEC_MANAGER_H_
 
 #include "webrtc/base/constructormagic.h"
 #include "webrtc/base/scoped_ptr.h"
 #include "webrtc/base/thread_checker.h"
 #include "webrtc/modules/audio_coding/main/acm2/codec_owner.h"
 #include "webrtc/modules/audio_coding/main/interface/audio_coding_module_typedefs.h"
 #include "webrtc/common_types.h"
 
 namespace webrtc {
 
 class AudioDecoder;
 class AudioEncoder;
 class AudioEncoderMutable;
 
 namespace acm2 {
 
+class DelayedLogger;
+
 class CodecManager final {
  public:
-  CodecManager();
+  CodecManager(DelayedLogger* bitrate_logger);
   ~CodecManager();
 
   int RegisterEncoder(const CodecInst& send_codec);
 
   void RegisterEncoder(AudioEncoderMutable* external_speech_encoder);
 
   int GetCodecInst(CodecInst* current_codec) const;
 
   bool SetCopyRed(bool enable);
 
@@ skipping 33 matching lines @@
   uint8_t cng_swb_pltype_;
   uint8_t cng_fb_pltype_;
   uint8_t red_nb_pltype_;
   bool stereo_send_;
   bool dtx_enabled_;
   ACMVADMode vad_mode_;
   CodecInst send_codec_inst_;
   bool red_enabled_;
   bool codec_fec_enabled_;
   CodecOwner codec_owner_;
+  DelayedLogger* const bitrate_logger_;
 
   DISALLOW_COPY_AND_ASSIGN(CodecManager);
 };
 
 }  // namespace acm2
 }  // namespace webrtc
 #endif  // WEBRTC_MODULES_AUDIO_CODING_MAIN_ACM2_CODEC_MANAGER_H_