Add API to query video engine for the send-side delay.

R=mflodman@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/4559005

git-svn-id: http://webrtc.googlecode.com/svn/trunk@5225 4adac7df-926f-26a2-2b94-8c16560cd09d

webrtc/video_engine/vie_codec_impl.h

@@ -71,6 +71,8 @@ class ViECodecImpl
                                   const char* file_name_utf8);
   virtual int StopDebugRecording(int video_channel);
   virtual void SuspendBelowMinBitrate(int video_channel);
+  virtual bool GetSendSideDelay(int video_channel, int* avg_delay_ms,
+                                int* max_delay_ms) const;
 
  protected:
   explicit ViECodecImpl(ViESharedData* shared_data);