Fix bug in ramp-up tests stats where rtx was accounted for in the media ssrc.

webrtc/video/rampup_tests.h

Index: webrtc/video/rampup_tests.h
diff --git a/webrtc/video/rampup_tests.h b/webrtc/video/rampup_tests.h
index ddab712dec25013a5a30fd1a44ff4ea3021c4761..927d9125776f7ff6a19c9c9af0631bc926f7f8a4 100644
--- a/webrtc/video/rampup_tests.h
+++ b/webrtc/video/rampup_tests.h
@@ -50,11 +50,11 @@ class RampUpTester : public test::EndToEndTest {
  protected:
   virtual bool PollStats();
 
-  void GetStats(const VideoSendStream::StreamStats& stream,
-                size_t* total_packets_sent,
-                size_t* total_sent,
-                size_t* padding_sent,
-                size_t* media_sent) const;
+  void AccumulateStats(const VideoSendStream::StreamStats& stream,
+                       size_t* total_packets_sent,
+                       size_t* total_sent,
+                       size_t* padding_sent,
+                       size_t* media_sent) const;
 
   void ReportResult(const std::string& measurement,
                     size_t value,