Reland of Make the new jitter buffer the default jitter buffer.

webrtc/modules/video_coding/timing.h

Index: webrtc/modules/video_coding/timing.h
diff --git a/webrtc/modules/video_coding/timing.h b/webrtc/modules/video_coding/timing.h
index e7d2b1ffdd4c540cdc322cbee54bfced23920bc0..429c2825f50e8c90d0f907dba8f84c0f434df271 100644
--- a/webrtc/modules/video_coding/timing.h
+++ b/webrtc/modules/video_coding/timing.h
@@ -94,13 +94,13 @@ class VCMTiming {
 
   // Return current timing information. Returns true if the first frame has been
   // decoded, false otherwise.
-  bool GetTimings(int* decode_ms,
-                  int* max_decode_ms,
-                  int* current_delay_ms,
-                  int* target_delay_ms,
-                  int* jitter_buffer_ms,
-                  int* min_playout_delay_ms,
-                  int* render_delay_ms) const;
+  virtual bool GetTimings(int* decode_ms,
+                          int* max_decode_ms,
+                          int* current_delay_ms,
+                          int* target_delay_ms,
+                          int* jitter_buffer_ms,
+                          int* min_playout_delay_ms,
+                          int* render_delay_ms) const;
 
   enum { kDefaultRenderDelayMs = 10 };
   enum { kDelayMaxChangeMsPerS = 100 };