Merge inbound to m-c. a=merge

CLOSED TREE

browser/base/content/content.js

@@ -579,6 +579,7 @@ let ClickEventHandler = {
             event.preventDefault(); // Need to prevent the pageload.
           }
         }
+        json.noReferrer = BrowserUtils.linkHasNoReferrer(node)
       }
 
       sendAsyncMessage("Content:Click", json);