Added tests to ensure that script blocks are converted to utf-8 before hashing

https://github.com/w3c/webappsec-csp/issues/109

Bug: 892570
Change-Id: I52d0ff8ab6abd58de9503992f44ea42df50cb6b7
Reviewed-on: https://chromium-review.googlesource.com/c/1264536
Reviewed-by: Mike West <mkwst@chromium.org>
Commit-Queue: Andy Paicu <andypaicu@chromium.org>
Cr-Commit-Position: refs/heads/master@{#597836}
13 files changed