Set |_encodedWidth| and |_encodedHeight| in RtpFrameObject.

webrtc/modules/video_coding/frame_object.cc

Index: webrtc/modules/video_coding/frame_object.cc
diff --git a/webrtc/modules/video_coding/frame_object.cc b/webrtc/modules/video_coding/frame_object.cc
index 0dd06abf2e041b5a0e58a78e0d441231248b4a50..d593d4bef4ca4956f65646c0e694fbc26ebe95ef 100644
--- a/webrtc/modules/video_coding/frame_object.cc
+++ b/webrtc/modules/video_coding/frame_object.cc
@@ -63,6 +63,8 @@ RtpFrameObject::RtpFrameObject(PacketBuffer* packet_buffer,
   _length = frame_size;
   _frameType = first_packet->frameType;
   GetBitstream(_buffer);
+  _encodedWidth = first_packet->width;
+  _encodedHeight = first_packet->height;
 
   // FrameObject members
   timestamp = first_packet->timestamp;