Remove WTF::toASCIILowerUnchecked.

The caller in the inspector is dead code, and XSSAuditor can use
equalIgnoringASCIICase + StringView instead.

Review-Url: https://codereview.chromium.org/2221833003
Cr-Original-Commit-Position: refs/heads/master@{#410583}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: a4ebb5b1ce91fc774c51f2fbd1cf976d6eadd96a
1 file changed