diff --git a/webrtc/modules/bitrate_controller/send_side_bandwidth_estimation.cc b/webrtc/modules/bitrate_controller/send_side_bandwidth_estimation.cc
index 001937a217..872579bac3 100644
--- a/webrtc/modules/bitrate_controller/send_side_bandwidth_estimation.cc
+++ b/webrtc/modules/bitrate_controller/send_side_bandwidth_estimation.cc
@@ -155,8 +155,8 @@ void SendSideBandwidthEstimation::UpdateUmaStats(int64_t now_ms,
   for (size_t i = 0; i < kNumUmaRampupMetrics; ++i) {
     if (!rampup_uma_stats_updated_[i] &&
         bitrate_kbps >= kUmaRampupMetrics[i].bitrate_kbps) {
-      RTC_HISTOGRAM_COUNTS_SPARSE_100000(kUmaRampupMetrics[i].metric_name,
-                                         now_ms - first_report_time_ms_);
+      RTC_HISTOGRAMS_COUNTS_100000(i, kUmaRampupMetrics[i].metric_name,
+                                   now_ms - first_report_time_ms_);
       rampup_uma_stats_updated_[i] = true;
     }
   }
diff --git a/webrtc/system_wrappers/include/metrics.h b/webrtc/system_wrappers/include/metrics.h
index ce193bdc39..a7184a5ae3 100644
--- a/webrtc/system_wrappers/include/metrics.h
+++ b/webrtc/system_wrappers/include/metrics.h
@@ -187,8 +187,6 @@
 
 #define RTC_HISTOGRAMS_COMMON(index, name, sample, macro_invocation) \
   do { \
-    RTC_DCHECK(index >= 0); \
-    RTC_DCHECK(index <= 2); \
     switch (index) { \
       case 0: \
         macro_invocation; \
diff --git a/webrtc/video/send_statistics_proxy.cc b/webrtc/video/send_statistics_proxy.cc
index 83399a9013..7371111066 100644
--- a/webrtc/video/send_statistics_proxy.cc
+++ b/webrtc/video/send_statistics_proxy.cc
@@ -31,12 +31,15 @@ enum HistogramCodecType {
   kVideoMax = 64,
 };
 
+const char* kRealtimePrefix = "WebRTC.Video.";
+const char* kScreenPrefix = "WebRTC.Video.Screenshare.";
+
 const char* GetUmaPrefix(VideoEncoderConfig::ContentType content_type) {
   switch (content_type) {
     case VideoEncoderConfig::ContentType::kRealtimeVideo:
-      return "WebRTC.Video.";
+      return kRealtimePrefix;
     case VideoEncoderConfig::ContentType::kScreen:
-      return "WebRTC.Video.Screenshare.";
+      return kScreenPrefix;
   }
   RTC_NOTREACHED();
   return nullptr;
@@ -93,68 +96,75 @@ SendStatisticsProxy::UmaSamplesContainer::~UmaSamplesContainer() {
 }
 
 void SendStatisticsProxy::UmaSamplesContainer::UpdateHistograms() {
+  RTC_DCHECK(uma_prefix_ == kRealtimePrefix || uma_prefix_ == kScreenPrefix);
+  const int kIndex = uma_prefix_ == kScreenPrefix ? 1 : 0;
   const int kMinRequiredSamples = 200;
   int in_width = input_width_counter_.Avg(kMinRequiredSamples);
   int in_height = input_height_counter_.Avg(kMinRequiredSamples);
   int in_fps = round(input_frame_rate_tracker_.ComputeTotalRate());
   if (in_width != -1) {
-    RTC_HISTOGRAM_COUNTS_SPARSE_10000(uma_prefix_ + "InputWidthInPixels",
-                                      in_width);
-    RTC_HISTOGRAM_COUNTS_SPARSE_10000(uma_prefix_ + "InputHeightInPixels",
-                                      in_height);
-    RTC_HISTOGRAM_COUNTS_SPARSE_100(uma_prefix_ + "InputFramesPerSecond",
-                                    in_fps);
+    RTC_HISTOGRAMS_COUNTS_10000(kIndex, uma_prefix_ + "InputWidthInPixels",
+                                in_width);
+    RTC_HISTOGRAMS_COUNTS_10000(kIndex, uma_prefix_ + "InputHeightInPixels",
+                                in_height);
+    RTC_HISTOGRAMS_COUNTS_100(kIndex, uma_prefix_ + "InputFramesPerSecond",
+                              in_fps);
   }
   int sent_width = sent_width_counter_.Avg(kMinRequiredSamples);
   int sent_height = sent_height_counter_.Avg(kMinRequiredSamples);
   int sent_fps = round(sent_frame_rate_tracker_.ComputeTotalRate());
   if (sent_width != -1) {
-    RTC_HISTOGRAM_COUNTS_SPARSE_10000(uma_prefix_ + "SentWidthInPixels",
-                                      sent_width);
-    RTC_HISTOGRAM_COUNTS_SPARSE_10000(uma_prefix_ + "SentHeightInPixels",
-                                      sent_height);
-    RTC_HISTOGRAM_COUNTS_SPARSE_100(uma_prefix_ + "SentFramesPerSecond",
-                                    sent_fps);
+    RTC_HISTOGRAMS_COUNTS_10000(kIndex, uma_prefix_ + "SentWidthInPixels",
+                                sent_width);
+    RTC_HISTOGRAMS_COUNTS_10000(kIndex, uma_prefix_ + "SentHeightInPixels",
+                                sent_height);
+    RTC_HISTOGRAMS_COUNTS_100(kIndex, uma_prefix_ + "SentFramesPerSecond",
+                              sent_fps);
   }
   int encode_ms = encode_time_counter_.Avg(kMinRequiredSamples);
-  if (encode_ms != -1)
-    RTC_HISTOGRAM_COUNTS_SPARSE_1000(uma_prefix_ + "EncodeTimeInMs", encode_ms);
-
+  if (encode_ms != -1) {
+    RTC_HISTOGRAMS_COUNTS_1000(kIndex, uma_prefix_ + "EncodeTimeInMs",
+                               encode_ms);
+  }
   int key_frames_permille = key_frame_counter_.Permille(kMinRequiredSamples);
   if (key_frames_permille != -1) {
-    RTC_HISTOGRAM_COUNTS_SPARSE_1000(uma_prefix_ + "KeyFramesSentInPermille",
-                                     key_frames_permille);
+    RTC_HISTOGRAMS_COUNTS_1000(kIndex, uma_prefix_ + "KeyFramesSentInPermille",
+                               key_frames_permille);
   }
   int quality_limited =
       quality_limited_frame_counter_.Percent(kMinRequiredSamples);
   if (quality_limited != -1) {
-    RTC_HISTOGRAM_PERCENTAGE_SPARSE(
-        uma_prefix_ + "QualityLimitedResolutionInPercent", quality_limited);
+    RTC_HISTOGRAMS_PERCENTAGE(kIndex,
+                              uma_prefix_ + "QualityLimitedResolutionInPercent",
+                              quality_limited);
   }
   int downscales = quality_downscales_counter_.Avg(kMinRequiredSamples);
   if (downscales != -1) {
-    RTC_HISTOGRAM_ENUMERATION_SPARSE(
-        uma_prefix_ + "QualityLimitedResolutionDownscales", downscales, 20);
+    RTC_HISTOGRAMS_ENUMERATION(
+        kIndex, uma_prefix_ + "QualityLimitedResolutionDownscales", downscales,
+        20);
   }
   int bw_limited = bw_limited_frame_counter_.Percent(kMinRequiredSamples);
   if (bw_limited != -1) {
-    RTC_HISTOGRAM_PERCENTAGE_SPARSE(
-        uma_prefix_ + "BandwidthLimitedResolutionInPercent", bw_limited);
+    RTC_HISTOGRAMS_PERCENTAGE(
+        kIndex, uma_prefix_ + "BandwidthLimitedResolutionInPercent",
+        bw_limited);
   }
   int num_disabled = bw_resolutions_disabled_counter_.Avg(kMinRequiredSamples);
   if (num_disabled != -1) {
-    RTC_HISTOGRAM_ENUMERATION_SPARSE(
-        uma_prefix_ + "BandwidthLimitedResolutionsDisabled", num_disabled, 10);
+    RTC_HISTOGRAMS_ENUMERATION(
+        kIndex, uma_prefix_ + "BandwidthLimitedResolutionsDisabled",
+        num_disabled, 10);
   }
   int delay_ms = delay_counter_.Avg(kMinRequiredSamples);
   if (delay_ms != -1)
-    RTC_HISTOGRAM_COUNTS_SPARSE_100000(uma_prefix_ + "SendSideDelayInMs",
-                                       delay_ms);
+    RTC_HISTOGRAMS_COUNTS_100000(kIndex, uma_prefix_ + "SendSideDelayInMs",
+                                 delay_ms);
 
   int max_delay_ms = max_delay_counter_.Avg(kMinRequiredSamples);
   if (max_delay_ms != -1) {
-    RTC_HISTOGRAM_COUNTS_SPARSE_100000(uma_prefix_ + "SendSideDelayMaxInMs",
-                                       max_delay_ms);
+    RTC_HISTOGRAMS_COUNTS_100000(kIndex, uma_prefix_ + "SendSideDelayMaxInMs",
+                                 max_delay_ms);
   }
 }