Record metrics for permission prompt acceptance vs. user gesture.

chrome/browser/permissions/permission_context_base.cc

Index: chrome/browser/permissions/permission_context_base.cc
diff --git a/chrome/browser/permissions/permission_context_base.cc b/chrome/browser/permissions/permission_context_base.cc
index 093f6b253c6dff5eb073d1da66f5a56dd17375ce..bd87e6976794292f1c7c0d4fa4a151f8ce4652e0 100644
--- a/chrome/browser/permissions/permission_context_base.cc
+++ b/chrome/browser/permissions/permission_context_base.cc
@@ -178,7 +178,7 @@ void PermissionContextBase::DecidePermission(
     return;
   std::unique_ptr<PermissionBubbleRequest> request_ptr(
       new PermissionBubbleRequestImpl(
-          requesting_origin, permission_type_,
+          requesting_origin, permission_type_, user_gesture,
           base::Bind(&PermissionContextBase::PermissionDecided,
                      weak_factory_.GetWeakPtr(), id, requesting_origin,
                      embedding_origin, callback),