Remove base channel for video receivers.

webrtc/video_engine/vie_channel.h

Index: webrtc/video_engine/vie_channel.h
diff --git a/webrtc/video_engine/vie_channel.h b/webrtc/video_engine/vie_channel.h
index 188fe3c3a41dba958ab7eaf011a141ea07e48f49..f18ada5d444e4ef2518eb7542853711ae37f16cd 100644
--- a/webrtc/video_engine/vie_channel.h
+++ b/webrtc/video_engine/vie_channel.h
@@ -109,8 +109,7 @@ class ViEChannel : public VCMFrameTypeCallback,
              PacedSender* paced_sender,
              PacketRouter* packet_router,
              size_t max_rtp_streams,
-             bool sender,
-             bool disable_default_encoder);
+             bool sender);
   ~ViEChannel();
 
   int32_t Init();
@@ -478,9 +477,6 @@ class ViEChannel : public VCMFrameTypeCallback,
   VideoCodec receive_codec_ GUARDED_BY(crit_);
   rtc::scoped_ptr<ThreadWrapper> decode_thread_;
 
-  // Used to skip default encoder in the new API.
-  const bool disable_default_encoder_;
-
   int nack_history_size_sender_;
   int max_nack_reordering_threshold_;
   I420FrameCallback* pre_render_callback_ GUARDED_BY(crit_);