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 2a918a2e7d7a98754f0e4d141e9f2a998b5e3aa3..628edb916519ead504240257d7a73ba4a44ae0ee 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -27702,6 +27702,14 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
   </summary>
 </histogram>
 
+<histogram name="Media.Session.UserAction" enum="MediaSessionUserAction">
+  <owner>media-dev@chromium.org</owner>
+  <owner>zqzhang@chromium.org</owner>
+  <summary>
+    The number of times user interacts with MediaSession sorted by action type.
+  </summary>
+</histogram>
+
 <histogram base="true" name="Media.Timeline.DragGestureDuration" units="ms">
 <!-- Name completed by histogram_suffixes name="MediaTimelineWidths" -->
 
@@ -103100,6 +103108,18 @@ from previous Chrome versions.
   <int value="4" label="System Transient Duck"/>
 </enum>
 
+<enum name="MediaSessionUserAction" type="int">
+  <int value="0" label="Play"/>
+  <int value="1" label="Play (default handler)"/>
+  <int value="2" label="Pause"/>
+  <int value="3" label="Pause (default handler)"/>
+  <int value="4" label="Stop (default handler)"/>
+  <int value="5" label="Previous track"/>
+  <int value="6" label="Next track"/>
+  <int value="7" label="Seek backward"/>
+  <int value="8" label="Seek forward"/>
+</enum>
+
 <enum name="MediaStreamRequestResult" type="int">
   <int value="0" label="Ok"/>
   <int value="1" label="Permission Denied"/>