Add WPT for CSP exemption of speculation rules via the SR header
Bug: 371595744
Change-Id: I34a7a01374c2c050749085933ab1673637af718e
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5911990
Commit-Queue: Liviu Tinta liviutinta@chromium.org
Reviewed-by: Weizhong Xia weizhong@google.com
Reviewed-by: Kevin McNee mcnee@chromium.org
Cr-Commit-Position: refs/heads/main@{#1365726}