Bug 1296389 - Part 3: Fix missing return value in getMessageComponent r=me

MozReview-Commit-ID: A3z4lpjCC1q

--HG--
extra : rebase_source : 460a50b8d7a4f76dd3c0363557765d078eeb9947

devtools/client/webconsole/new-console-output/components/message-container.js

@@ -78,7 +78,7 @@ function getMessageComponent(message) {
         case MESSAGE_TYPE.LOG:
           return componentMap.get("PageError");
         default:
-          componentMap.get("DefaultRenderer");
+          return componentMap.get("DefaultRenderer");
       }
   }