Move usage of QualityScaler to ViEEncoder.

webrtc/modules/video_coding/codecs/h264/h264_encoder_impl.h

Index: webrtc/modules/video_coding/codecs/h264/h264_encoder_impl.h
diff --git a/webrtc/modules/video_coding/codecs/h264/h264_encoder_impl.h b/webrtc/modules/video_coding/codecs/h264/h264_encoder_impl.h
index c6014e665183bc07ce31171b4a3e0411bb9a20c8..142b693a88242082c4e2de2ce2d5792cca0680c4 100644
--- a/webrtc/modules/video_coding/codecs/h264/h264_encoder_impl.h
+++ b/webrtc/modules/video_coding/codecs/h264/h264_encoder_impl.h
@@ -17,7 +17,6 @@
 
 #include "webrtc/modules/video_coding/codecs/h264/include/h264.h"
 #include "webrtc/modules/video_coding/utility/h264_bitstream_parser.h"
-#include "webrtc/modules/video_coding/utility/quality_scaler.h"
 
 #include "third_party/openh264/src/codec/api/svc/codec_app_def.h"
 
@@ -64,7 +63,6 @@ class H264EncoderImpl : public H264Encoder {
   SEncParamExt CreateEncoderParams() const;
 
   webrtc::H264BitstreamParser h264_bitstream_parser_;
-  QualityScaler quality_scaler_;
   // Reports statistics with histograms.
   void ReportInit();
   void ReportError();