Handles window.scrollTo() with variable arguments.

Handling scrollTo(x,y) with explicit 2-argument call causes 1-argument
verison of scrollTo(options) to fail silently.

Bug: 919690
Change-Id: I1f670711039d0de80c456049f9baf54d1b1267a5
Reviewed-on: https://chromium-review.googlesource.com/c/1407656
Commit-Queue: Peter Lee <pkl@chromium.org>
Reviewed-by: Eugene But <eugenebut@chromium.org>
Cr-Commit-Position: refs/heads/master@{#622230}
1 file changed