tools/metrics/histograms/histograms.xml

Index: tools/metrics/histograms/histograms.xml
diff --git a/tools/metrics/histograms/histograms.xml b/tools/metrics/histograms/histograms.xml
index bfcd62d7744d22fe00b8b0be1dda12519e57b883..69a84f7435020dac85578d848808074abc1bfb20 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -37864,6 +37864,24 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
   </summary>
 </histogram>
 
+<histogram name="PageLoad.PaintTiming.FirstMeaningfulPaintStatus"
+    enum="FirstMeaningfulPaintStatus">
+  <owner>ksakamoto@chromium.org</owner>
+  <summary>
+    Records whether the First Meaningful Paint metric was reported for the page
+    load, or why it wasn't if not.
+  </summary>
+</histogram>
+
+<histogram name="PageLoad.PaintTiming.FirstMeaningfulPaintToNetworkStable"
+    units="ms">
+  <owner>ksakamoto@chromium.org</owner>
+  <summary>
+    Measures the time between when the first meaningful paint was computed to
+    have happened, and when we actually logged the metric.
+  </summary>
+</histogram>
+
 <histogram name="PageLoad.PaintTiming.NavigationToFirstContentfulPaint"
     units="ms">
   <owner>ksakamoto@chromium.org</owner>
@@ -37881,6 +37899,15 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
   </summary>
 </histogram>
 
+<histogram name="PageLoad.PaintTiming.NavigationToFirstMeaningfulPaint"
+    units="ms">
+  <owner>ksakamoto@chromium.org</owner>
+  <summary>
+    Measures the time from navigation timing's navigation start to the time the
+    page's primary content is painted, for main frame documents.
+  </summary>
+</histogram>
+
 <histogram name="PageLoad.PaintTiming.NavigationToFirstPaint" units="ms">
   <owner>ksakamoto@chromium.org</owner>
   <summary>
@@ -78280,6 +78307,13 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
   <int value="20" label=".log"/>
 </enum>
 
+<enum name="FirstMeaningfulPaintStatus" type="int">
+  <int value="0" label="First meaningful paint recorded successfully."/>
+  <int value="1" label="User left the page before network stable."/>
+  <int value="2"
+      label="User interaction happend before first meaningful paint."/>
+</enum>
+
 <enum name="FlashNavigateUsageType" type="int">
   <int value="0" label="Rejected because of Authorization header."/>
   <int value="1" label="Rejected because of Cache-Control header."/>
@@ -99407,8 +99441,12 @@ To add a new entry, add it with any value and run test to compute valid value.
   <affected-histogram name="PageLoad.Events.Committed"/>
   <affected-histogram name="PageLoad.Events.Provisional"/>
   <affected-histogram
+      name="PageLoad.PaintTiming.FirstMeaningfulPaintToNetworkStable"/>
+  <affected-histogram
       name="PageLoad.PaintTiming.NavigationToFirstContentfulPaint"/>
   <affected-histogram name="PageLoad.PaintTiming.NavigationToFirstImagePaint"/>
+  <affected-histogram
+      name="PageLoad.PaintTiming.NavigationToFirstMeaningfulPaint"/>
   <affected-histogram name="PageLoad.PaintTiming.NavigationToFirstPaint"/>
   <affected-histogram name="PageLoad.PaintTiming.NavigationToFirstTextPaint"/>
   <affected-histogram