Remove callback_cs_ in ViEEncoder.

webrtc/video_engine/vie_channel_group.cc

Index: webrtc/video_engine/vie_channel_group.cc
diff --git a/webrtc/video_engine/vie_channel_group.cc b/webrtc/video_engine/vie_channel_group.cc
index 42f6c852f0fd4ba548d4092b6579dbe28fb11113..42ffafb7d01ad384cad787a37946beb78d4e6884 100644
--- a/webrtc/video_engine/vie_channel_group.cc
+++ b/webrtc/video_engine/vie_channel_group.cc
@@ -187,12 +187,14 @@ ChannelGroup::~ChannelGroup() {
 
 bool ChannelGroup::CreateSendChannel(int channel_id,
                                      Transport* transport,
+                                     SendStatisticsProxy* stats_proxy,
+                                     I420FrameCallback* pre_encode_callback,
                                      int number_of_cores,
                                      const std::vector<uint32_t>& ssrcs) {
   RTC_DCHECK(!ssrcs.empty());
-  rtc::scoped_ptr<ViEEncoder> vie_encoder(
-      new ViEEncoder(channel_id, number_of_cores, *process_thread_,
-                     pacer_.get(), bitrate_allocator_.get()));
+  rtc::scoped_ptr<ViEEncoder> vie_encoder(new ViEEncoder(
+      channel_id, number_of_cores, process_thread_, stats_proxy,
+      pre_encode_callback, pacer_.get(), bitrate_allocator_.get()));
   if (!vie_encoder->Init()) {
     return false;
   }