Remove all old suspension logic.

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 454 matching lines @@
   // time of incomplete or non-continuous frames in the jitter buffer is above
   // |max_incomplete_time_ms|.
   virtual void SetNackSettings(size_t max_nack_list_size,
                                int max_packet_age_to_nack,
                                int max_incomplete_time_ms) = 0;
 
   // Setting a desired delay to the VCM receiver. Video rendering will be
   // delayed by at least desired_delay_ms.
   virtual int SetMinReceiverDelay(int desired_delay_ms) = 0;
 
-  // Lets the sender suspend video when the rate drops below
-  // |threshold_bps|, and turns back on when the rate goes back up above
-  // |threshold_bps| + |window_bps|.
-  virtual void SuspendBelowMinBitrate() = 0;
-
-  // Returns true if SuspendBelowMinBitrate is engaged and the video has been
-  // suspended due to bandwidth limitations; otherwise false.
-  virtual bool VideoSuspended() const = 0;
-
   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_