Fix console-format-es6.js

Bug: none
Change-Id: I875bf9ad5eea00d1c1965ac280d0dce46215624b
Reviewed-on: https://chromium-review.googlesource.com/896871Reviewed-by: Aleksey Kozyatinskiy <kozyatinskiy@chromium.org>
Commit-Queue: Dmitry Gozman <dgozman@chromium.org>
Cr-Commit-Position: refs/heads/master@{#533935}

third_party/WebKit/LayoutTests/http/tests/devtools/console/console-format-es6.js

@@ -79,7 +79,7 @@
     function advance() {
       var next = current + 1;
 
-      if (next == total.description)
+      if (next == total)
         finish();
       else
         loopOverGlobals(next, total);