Delete unused method VideoCodingModule::DiscardedPackets().

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 388 matching lines @@
   //                     < 0,    on error.
   virtual int32_t SetRenderDelay(uint32_t timeMS) = 0;
 
   // The total delay desired by the VCM. Can be less than the minimum
   // delay set with SetMinimumPlayoutDelay.
   //
   // Return value      : Total delay in ms, on success.
   //                     < 0,               on error.
   virtual int32_t Delay() const = 0;
 
-  // Returns the number of packets discarded by the jitter buffer due to being
-  // too late. This can include duplicated packets which arrived after the
-  // frame was sent to the decoder. Therefore packets which were prematurely
-  // NACKed will be counted.
-  virtual uint32_t DiscardedPackets() const = 0;
-
   // Robustness APIs
 
   // Set the receiver robustness mode. The mode decides how the receiver
   // responds to losses in the stream. The type of counter-measure (soft or
   // hard NACK, dual decoder, RPS, etc.) is selected through the
   // robustnessMode parameter. The errorMode parameter decides if it is
   // allowed to display frames corrupted by losses. Note that not all
   // combinations of the two parameters are feasible. An error will be
   // returned for invalid combinations.
   // Input:
@@ skipping 28 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_