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 42d059db8002871cc8be8e10c9d95521e2b653e3..c394b8d64e0a73853264062b8ec871aef90542c3 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -53134,6 +53134,14 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
   </summary>
 </histogram>
 
+<histogram name="ReadingList.ContextMenu" enum="ReadingListContextMenuActions">
+  <owner>gambard@chromium.org</owner>
+  <summary>
+    The action chosen by the user after displaying the reading list context
+    menu.
+  </summary>
+</histogram>
+
 <histogram name="ReadingList.Download.Failures" units="count">
   <owner>gambard@chromium.org</owner>
   <summary>
@@ -104060,6 +104068,14 @@ value.
   <int value="2" label="LOAD_CORRUPT_VALUE"/>
 </enum>
 
+<enum name="ReadingListContextMenuActions" type="int">
+  <int value="0" label="New Tab"/>
+  <int value="1" label="New Incognito Tab"/>
+  <int value="2" label="Copy Link"/>
+  <int value="3" label="View Offline"/>
+  <int value="4" label="Cancel"/>
+</enum>
+
 <enum name="ReadingListDownloadStatus" type="int">
   <int value="0" label="Success"/>
   <int value="1" label="Failure"/>