Add UMA for recording embargo reasons and autoblocker interactions.

chrome/browser/permissions/permission_uma_util.cc

Index: chrome/browser/permissions/permission_uma_util.cc
diff --git a/chrome/browser/permissions/permission_uma_util.cc b/chrome/browser/permissions/permission_uma_util.cc
index 82792775140b8897d198d9cf5d976795f766daf7..9ee43b99d8ccc2ba731983fec34aac546eb4e6d5 100644
--- a/chrome/browser/permissions/permission_uma_util.cc
+++ b/chrome/browser/permissions/permission_uma_util.cc
@@ -357,6 +357,13 @@ void PermissionUmaUtil::PermissionRevoked(PermissionType permission,
   }
 }
 
+void PermissionUmaUtil::RecordPermissionEmbargoReason(
+    PermissionEmbargoReason embargo_reason) {
+  UMA_HISTOGRAM_ENUMERATION("Permissions.AutoBlocker.EmbargoReason",
+                            embargo_reason,
+                            PermissionEmbargoReason::REASON_NUM);
+}
+
 void PermissionUmaUtil::PermissionPromptShown(
     const std::vector<PermissionRequest*>& requests) {
   DCHECK(!requests.empty());