Adapt encoder behavior to target bitrate

remoting/codec/video_encoder.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef REMOTING_CODEC_VIDEO_ENCODER_H_
 #define REMOTING_CODEC_VIDEO_ENCODER_H_
 
 #include <stdint.h>
 
 #include <memory>
@@ skipping 21 matching lines @@
 
   // Encode an image stored in |frame|. If |frame.updated_region()| is empty
   // then the encoder may return a packet (e.g. to top-off previously-encoded
   // portions of the frame to higher quality) or return nullptr to indicate that
   // there is no work to do.
   virtual std::unique_ptr<VideoPacket> Encode(const webrtc::DesktopFrame& frame,
                                               uint32_t flags) = 0;
 
   static std::unique_ptr<VideoEncoder> Create(
       const protocol::SessionConfig& config);
+  virtual void UpdateTargetBitrate(int bitrate_kbps) {}
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_CODEC_VIDEO_ENCODER_H_