Use QualityScaler for OpenH264 encoder.

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 d7493e04b23b68fa6454aff26aeaf6fb23ed5de8..6cfa4e467040487d9d4a7291d191a29e8ecdcc0b 100644
--- a/webrtc/modules/video_coding/codecs/h264/h264_encoder_impl.h
+++ b/webrtc/modules/video_coding/codecs/h264/h264_encoder_impl.h
@@ -12,11 +12,14 @@
 #ifndef WEBRTC_MODULES_VIDEO_CODING_CODECS_H264_H264_ENCODER_IMPL_H_
 #define WEBRTC_MODULES_VIDEO_CODING_CODECS_H264_H264_ENCODER_IMPL_H_
 
-#include "webrtc/modules/video_coding/codecs/h264/include/h264.h"
-
 #include <memory>
 #include <vector>
 
+#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"
 
 class ISVCEncoder;
 
@@ -56,13 +59,17 @@ class H264EncoderImpl : public H264Encoder {
 
  private:
   bool IsInitialized() const;
+  SEncParamExt CreateEncoderParams() const;
 
+  webrtc::H264BitstreamParser h264_bitstream_parser_;
+  QualityScaler quality_scaler_;
   // Reports statistics with histograms.
   void ReportInit();
   void ReportError();
 
   ISVCEncoder* openh264_encoder_;
   VideoCodec codec_settings_;
+  int32_t number_of_cores_;
 
   EncodedImage encoded_image_;
   std::unique_ptr<uint8_t[]> encoded_image_buffer_;