The test was failing for all vendors since it expected to get a
securitypolicyviolation event in the parent frame instead of the frame
where the eval was blocked.

I rewrote the test in a modern way and deleted the old http blink test
this one had been converted from.

Bug: 651742
Change-Id: Ie8b7ae4842c0934b3c18086a2aee93c8a8ca292a
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3059564


Commit-Queue: Antonio Sartori <antoniosartori@chromium.org>
Reviewed-by: Arthur Sonzogni <arthursonzogni@chromium.org>
Cr-Commit-Position: refs/heads/master@{#906671}