MatchesSignature  423 content/child/site_isolation_policy.cc     if (MatchesSignature(
MatchesSignature  429 content/child/site_isolation_policy.cc     if (!MatchesSignature(data, kCommentBegins, arraysize(kCommentBegins)))
MatchesSignature  455 content/child/site_isolation_policy.cc   return MatchesSignature(data, kXmlSignatures, arraysize(kXmlSignatures));