GitLab

This should alleviate flaky errors when translating on iOS.

When translate is tapped, translate_ios.js polls translate.js to wait
for translate element ready and then later polls again to wait for the
translation result. Polling can often time out due to network slowness.

Bug: 869729
Change-Id: I7e0e46fe279571f21b3aa0dd18f241dc83afee90
Reviewed-on: https://chromium-review.googlesource.com/1178691Reviewed-by: David Roger <droger@chromium.org>
Reviewed-by: Hiroshi Ichikawa <ichikawa@chromium.org>
Reviewed-by: Eugene But <eugenebut@chromium.org>
Commit-Queue: John Wu <jzw@chromium.org>
Cr-Commit-Position: refs/heads/master@{#584549}