Fix stats for encoder target bitrate when target rate is zero.

webrtc/modules/video_coding/include/video_coding.h

 /*
  *  Copyright (c) 2012 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.
  */
 
@@ skipping 54 matching lines @@
                      // introduced as some encoded frames may not be
                      // complete.
 };
 
 class VideoCodingModule : public Module {
  public:
   enum SenderNackMode { kNackNone, kNackAll, kNackSelective };
 
   enum ReceiverRobustness { kNone, kHardNack, kSoftNack, kReferenceSelection };
 
-  static VideoCodingModule* Create(
-      Clock* clock,
-      VideoEncoderRateObserver* encoder_rate_observer,
-      VCMQMSettingsCallback* qm_settings_callback);
+  static VideoCodingModule* Create(Clock* clock, EventFactory* event_factory);
 
   static VideoCodingModule* Create(
       Clock* clock,
-      VideoEncoderRateObserver* encoder_rate_observer,
       VCMQMSettingsCallback* qm_settings_callback,
       NackSender* nack_sender,
       KeyFrameRequestSender* keyframe_request_sender,
       EncodedImageCallback* pre_decode_image_callback);
 
-  static VideoCodingModule* Create(Clock* clock, EventFactory* event_factory);
-
   static VideoCodingModule* Create(
       Clock* clock,
       EventFactory* event_factory,
       NackSender* nack_sender,
       KeyFrameRequestSender* keyframe_request_sender);
 
   // Get supported codec settings using codec type
   //
   // Input:
   //      - codecType      : The codec type to get settings for
@@ skipping 374 matching lines @@
 
   virtual void RegisterPostEncodeImageCallback(
       EncodedImageCallback* post_encode_callback) = 0;
   // Releases pending decode calls, permitting faster thread shutdown.
   virtual void TriggerDecoderShutdown() = 0;
 };
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_MODULES_VIDEO_CODING_INCLUDE_VIDEO_CODING_H_