Update histogram "WebRTC.Video.OnewayDelayInMs" to use the estimated one-way delay.

webrtc/modules/video_coding/codecs/vp9/vp9_impl.h

Index: webrtc/modules/video_coding/codecs/vp9/vp9_impl.h
diff --git a/webrtc/modules/video_coding/codecs/vp9/vp9_impl.h b/webrtc/modules/video_coding/codecs/vp9/vp9_impl.h
index f861fefb3586910178d6305220af1e5e457599e1..4eca7b8100f8e95e0e5eb360d1ef4be1876681cb 100644
--- a/webrtc/modules/video_coding/codecs/vp9/vp9_impl.h
+++ b/webrtc/modules/video_coding/codecs/vp9/vp9_impl.h
@@ -152,7 +152,9 @@ class VP9DecoderImpl : public VP9Decoder {
   const char* ImplementationName() const override;
 
  private:
-  int ReturnFrame(const vpx_image_t* img, uint32_t timeStamp);
+  int ReturnFrame(const vpx_image_t* img,
+                  uint32_t timestamp,
+                  int64_t ntp_time_ms);
 
   // Memory pool used to share buffers between libvpx and webrtc.
   Vp9FrameBufferPool frame_buffer_pool_;