Switch to use new implementation in metrics.h.
Sparse macro replaced for all video histograms that have a constant name.

BUG=webrtc:5283

Review URL: https://codereview.webrtc.org/1616153005

Cr-Commit-Position: refs/heads/master@{#11368}
diff --git a/webrtc/modules/video_coding/jitter_buffer.cc b/webrtc/modules/video_coding/jitter_buffer.cc
index 640bcb4..663bf03 100644
--- a/webrtc/modules/video_coding/jitter_buffer.cc
+++ b/webrtc/modules/video_coding/jitter_buffer.cc
@@ -281,18 +281,18 @@
     return;
   }
 
-  RTC_HISTOGRAM_PERCENTAGE_SPARSE("WebRTC.Video.DiscardedPacketsInPercent",
-                                  num_discarded_packets_ * 100 / num_packets_);
-  RTC_HISTOGRAM_PERCENTAGE_SPARSE("WebRTC.Video.DuplicatedPacketsInPercent",
-                                  num_duplicated_packets_ * 100 / num_packets_);
+  RTC_HISTOGRAM_PERCENTAGE("WebRTC.Video.DiscardedPacketsInPercent",
+                           num_discarded_packets_ * 100 / num_packets_);
+  RTC_HISTOGRAM_PERCENTAGE("WebRTC.Video.DuplicatedPacketsInPercent",
+                           num_duplicated_packets_ * 100 / num_packets_);
 
   int total_frames =
       receive_statistics_.key_frames + receive_statistics_.delta_frames;
   if (total_frames > 0) {
-    RTC_HISTOGRAM_COUNTS_SPARSE_100(
+    RTC_HISTOGRAM_COUNTS_100(
         "WebRTC.Video.CompleteFramesReceivedPerSecond",
         static_cast<int>((total_frames / elapsed_sec) + 0.5f));
-    RTC_HISTOGRAM_COUNTS_SPARSE_1000(
+    RTC_HISTOGRAM_COUNTS_1000(
         "WebRTC.Video.KeyFramesReceivedInPermille",
         static_cast<int>(
             (receive_statistics_.key_frames * 1000.0f / total_frames) + 0.5f));