Add macros for ability to log samples that are added to histograms (RTC_LOGGED_*).

webrtc/modules/video_coding/jitter_buffer.cc

Index: webrtc/modules/video_coding/jitter_buffer.cc
diff --git a/webrtc/modules/video_coding/jitter_buffer.cc b/webrtc/modules/video_coding/jitter_buffer.cc
index a3e0b2bc074d096369935c5a934bd3cfc3f94ce0..f048b0a883ce627b35d74f67871425c143460151 100644
--- a/webrtc/modules/video_coding/jitter_buffer.cc
+++ b/webrtc/modules/video_coding/jitter_buffer.cc
@@ -301,18 +301,18 @@ void VCMJitterBuffer::UpdateHistograms() {
     return;
   }
 
-  RTC_HISTOGRAM_PERCENTAGE("WebRTC.Video.DiscardedPacketsInPercent",
-                           num_discarded_packets_ * 100 / num_packets_);
-  RTC_HISTOGRAM_PERCENTAGE("WebRTC.Video.DuplicatedPacketsInPercent",
-                           num_duplicated_packets_ * 100 / num_packets_);
+  RTC_LOGGED_HISTOGRAM_PERCENTAGE("WebRTC.Video.DiscardedPacketsInPercent",
+                                  num_discarded_packets_ * 100 / num_packets_);
+  RTC_LOGGED_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_100(
+    RTC_LOGGED_HISTOGRAM_COUNTS_100(
         "WebRTC.Video.CompleteFramesReceivedPerSecond",
         static_cast<int>((total_frames / elapsed_sec) + 0.5f));
-    RTC_HISTOGRAM_COUNTS_1000(
+    RTC_LOGGED_HISTOGRAM_COUNTS_1000(
         "WebRTC.Video.KeyFramesReceivedInPermille",
         static_cast<int>(
             (receive_statistics_.key_frames * 1000.0f / total_frames) + 0.5f));