Adding a new ChangeLogger class to handle UMA logging of bitrates

webrtc/modules/audio_coding/main/acm2/codec_owner.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_OWNER_H_
 #define WEBRTC_MODULES_AUDIO_CODING_MAIN_ACM2_CODEC_OWNER_H_
 
 #include "webrtc/base/constructormagic.h"
 #include "webrtc/base/scoped_ptr.h"
 #include "webrtc/common_types.h"
 #include "webrtc/modules/audio_coding/codecs/audio_encoder.h"
 #include "webrtc/modules/audio_coding/codecs/isac/main/interface/audio_encoder_isac.h"
 #include "webrtc/modules/audio_coding/main/interface/audio_coding_module_typedefs.h"
 
 namespace webrtc {
 
 class AudioDecoder;
 
 namespace acm2 {
 
+class DelayedLogger;
+
 class CodecOwner {
  public:
-  CodecOwner();
+  CodecOwner(DelayedLogger* bitrate_logger);
   ~CodecOwner();
 
   void SetEncoders(const CodecInst& speech_inst,
                    int cng_payload_type,
                    ACMVADMode vad_mode,
                    int red_payload_type);
 
   void SetEncoders(AudioEncoderMutable* external_speech_encoder,
                    int cng_payload_type,
                    ACMVADMode vad_mode,
@@ skipping 26 matching lines @@
   rtc::scoped_ptr<AudioEncoderMutable> speech_encoder_;
   rtc::scoped_ptr<AudioEncoderDecoderMutableIsac> isac_codec_;
   bool isac_is_encoder_;
   AudioEncoderMutable* external_speech_encoder_;
 
   // |cng_encoder_| and |red_encoder_| are valid iff CNG or RED, respectively,
   // are active.
   rtc::scoped_ptr<AudioEncoder> cng_encoder_;
   rtc::scoped_ptr<AudioEncoder> red_encoder_;
 
+  DelayedLogger* const bitrate_logger_;
+
   DISALLOW_COPY_AND_ASSIGN(CodecOwner);
 };
 
 }  // namespace acm2
 }  // namespace webrtc
 #endif  // WEBRTC_MODULES_AUDIO_CODING_MAIN_ACM2_CODEC_OWNER_H_