Adds two tests for verifying padding and ramp-up behavior.

BUG=1837
R=pbos@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/2073004

git-svn-id: http://webrtc.googlecode.com/svn/trunk/webrtc@4591 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/video_engine/internal/video_send_stream.h b/video_engine/internal/video_send_stream.h
index 686e5d5..ac0f55b 100644
--- a/video_engine/internal/video_send_stream.h
+++ b/video_engine/internal/video_send_stream.h
@@ -24,6 +24,7 @@
 class ViECapture;
 class ViECodec;
 class ViEExternalCapture;
+class ViEExternalCodec;
 class ViENetwork;
 class ViERTP_RTCP;
 
@@ -74,6 +75,7 @@
   ViECapture* capture_;
   ViECodec* codec_;
   ViEExternalCapture* external_capture_;
+  ViEExternalCodec* external_codec_;
   ViENetwork* network_;
   ViERTP_RTCP* rtp_rtcp_;