[Blink>Media] Record MediaSession API interface usage metrics

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 75af0ccad01aec3221160e4ef8e2177f7a90af9d..a13ac096bc81fdfbb714374816b745e6bbe44d3a 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -89769,6 +89769,11 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
   <int value="1784" label="HTMLTableCellElementColspanGreaterThan1000"/>
   <int value="1785" label="HTMLTableCellElementColspanGreaterThan8190"/>
   <int value="1786" label="SelectionAddRangeIntersect"/>
+  <int value="1788" label="V8MediaSession_Metadata_AttributeGetter"/>
+  <int value="1789" label="V8MediaSession_Metadata_AttributeSetter"/>
+  <int value="1790" label="V8MediaSession_PlaybackState_AttributeGetter"/>
+  <int value="1791" label="V8MediaSession_PlaybackState_AttributeSetter"/>
+  <int value="1792" label="V8MediaSession_SetActionHandler_Method"/>
 </enum>
 
 <enum name="FetchRequestMode" type="int">