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

webrtc/modules/video_coding/codecs/vp8/screenshare_layers.cc

 /* Copyright (c) 2013 The WebRTC project authors. All Rights Reserved.
 *
 *  Use of this source code is governed by a BSD-style license
 *  that can be found in the LICENSE file in the root of the source
 *  tree. An additional intellectual property rights grant can be found
 *  in the file PATENTS.  All contributing project authors may
 *  be found in the AUTHORS file in the root of the source tree.
 */
 
 #include "webrtc/modules/video_coding/codecs/vp8/screenshare_layers.h"
@@ skipping 297 matching lines @@
   int64_t duration_sec =
       (clock_->TimeInMilliseconds() - stats_.first_frame_time_ms_ + 500) / 1000;
   if (duration_sec >= metrics::kMinRunTimeInSeconds) {
     RTC_HISTOGRAM_COUNTS_10000(
         "WebRTC.Video.Screenshare.Layer0.FrameRate",
         (stats_.num_tl0_frames_ + (duration_sec / 2)) / duration_sec);
     RTC_HISTOGRAM_COUNTS_10000(
         "WebRTC.Video.Screenshare.Layer1.FrameRate",
         (stats_.num_tl1_frames_ + (duration_sec / 2)) / duration_sec);
     int total_frames = stats_.num_tl0_frames_ + stats_.num_tl1_frames_;
-    RTC_HISTOGRAM_COUNTS_10000("WebRTC.Video.Screenshare.FramesPerDrop",
-                               stats_.num_dropped_frames_ == 0
-                                   ? 0
-                                   : total_frames / stats_.num_dropped_frames_);
-    RTC_HISTOGRAM_COUNTS_10000("WebRTC.Video.Screenshare.FramesPerOvershoot",
-                               stats_.num_overshoots_ == 0
-                                   ? 0
-                                   : total_frames / stats_.num_overshoots_);
+    RTC_HISTOGRAM_COUNTS_10000(
+        "WebRTC.Video.Screenshare.FramesPerDrop",
+        (stats_.num_dropped_frames_ == 0 ? 0 : total_frames /
+                                                   stats_.num_dropped_frames_));
+    RTC_HISTOGRAM_COUNTS_10000(
+        "WebRTC.Video.Screenshare.FramesPerOvershoot",
+        (stats_.num_overshoots_ == 0 ? 0
+                                     : total_frames / stats_.num_overshoots_));
     if (stats_.num_tl0_frames_ > 0) {
       RTC_HISTOGRAM_COUNTS_10000("WebRTC.Video.Screenshare.Layer0.Qp",
                                  stats_.tl0_qp_sum_ / stats_.num_tl0_frames_);
       RTC_HISTOGRAM_COUNTS_10000(
           "WebRTC.Video.Screenshare.Layer0.TargetBitrate",
           stats_.tl0_target_bitrate_sum_ / stats_.num_tl0_frames_);
     }
     if (stats_.num_tl1_frames_ > 0) {
       RTC_HISTOGRAM_COUNTS_10000("WebRTC.Video.Screenshare.Layer1.Qp",
                                  stats_.tl1_qp_sum_ / stats_.num_tl1_frames_);
       RTC_HISTOGRAM_COUNTS_10000(
           "WebRTC.Video.Screenshare.Layer1.TargetBitrate",
           stats_.tl1_target_bitrate_sum_ / stats_.num_tl1_frames_);
     }
   }
 }
 
 }  // namespace webrtc