RTC[In/Out]boundRTPStreamStats: qpSum,framesDecoded,framesEncoded added.

webrtc/api/rtcstatscollector.cc

Index: webrtc/api/rtcstatscollector.cc
diff --git a/webrtc/api/rtcstatscollector.cc b/webrtc/api/rtcstatscollector.cc
index 85113e69a2e925271ad1c1150a3e02ff62ed9880..32d61e451478ecb75d1caa30dea190361b013e0c 100644
--- a/webrtc/api/rtcstatscollector.cc
+++ b/webrtc/api/rtcstatscollector.cc
@@ -181,6 +181,7 @@ void SetInboundRTPStreamStatsFromVideoReceiverInfo(
       static_cast<uint32_t>(video_receiver_info.plis_sent);
   inbound_video->nack_count =
       static_cast<uint32_t>(video_receiver_info.nacks_sent);
+  inbound_video->frames_decoded = video_receiver_info.frames_decoded;
 }
 
 // Provides the media independent counters (both audio and video).
@@ -225,6 +226,9 @@ void SetOutboundRTPStreamStatsFromVideoSenderInfo(
       static_cast<uint32_t>(video_sender_info.plis_rcvd);
   outbound_video->nack_count =
       static_cast<uint32_t>(video_sender_info.nacks_rcvd);
+  if (video_sender_info.qp_sum)
+    outbound_video->qp_sum = *video_sender_info.qp_sum;
+  outbound_video->frames_encoded = video_sender_info.frames_encoded;
 }
 
 void ProduceCertificateStatsFromSSLCertificateStats(