commit 06e4fc07e59c52bfcdb94b424b6ffef20245ada3
author mike <mike@mikepennisi.com> Mon May 22 16:04:44 2017
committer Commit bot <commit-bot@chromium.org> Mon May 22 16:04:44 2017
tree 423415995d7b7c2f349bff63feca7a6d678e6e56
parent f0a16200825ea532a475b9169f9fce6c040793d5

Upstream service wrkr "iframe sandbox" test to WPT

**sandbox-iframe-register-link-element**

Re-locate test files to Web Platform Test directory for eventual
automated upstreaming. Re-factor to use `promise_test`. Add additional
subtest verifying observance of the `allow-same-origin` directive.
Remove unnecessary `<script>` tag. Add "use strict" directives to
scripts.

BUG=688116
R=falken@chromium.org

Review-Url: https://codereview.chromium.org/2896643002
Cr-Commit-Position: refs/heads/master@{#473585}