Move usage of QualityScaler to ViEEncoder.

webrtc/media/engine/videoencodersoftwarefallbackwrapper.h

 /*
  *  Copyright (c) 2016 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 24 matching lines @@
   int32_t RegisterEncodeCompleteCallback(
       EncodedImageCallback* callback) override;
 
   int32_t Release() override;
   int32_t Encode(const VideoFrame& frame,
                  const CodecSpecificInfo* codec_specific_info,
                  const std::vector<FrameType>* frame_types) override;
   int32_t SetChannelParameters(uint32_t packet_loss, int64_t rtt) override;
   int32_t SetRateAllocation(const BitrateAllocation& bitrate_allocation,
                             uint32_t framerate) override;
-  void OnDroppedFrame() override;
   bool SupportsNativeHandle() const override;
+  ScalingSettings GetScalingSettings() const override;
 
  private:
   bool InitFallbackEncoder();
 
   // Settings used in the last InitEncode call and used if a dynamic fallback to
   // software is required.
   VideoCodec codec_settings_;
   int32_t number_of_cores_;
   size_t max_payload_size_;
 
@@ skipping 11 matching lines @@
   webrtc::VideoEncoder* const encoder_;
 
   std::unique_ptr<webrtc::VideoEncoder> fallback_encoder_;
   std::string fallback_implementation_name_;
   EncodedImageCallback* callback_;
 };
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_MEDIA_ENGINE_VIDEOENCODERSOFTWAREFALLBACKWRAPPER_H_