bool SchemeRegistry::shouldTreatURLSchemeAsNoAccess(const String& scheme)
{
    if (scheme.isEmpty())
        return false;
    MutexLocker locker(mutex());
    return schemesWithUniqueOrigins().contains(scheme);
}
void SchemeRegistry::registerURLSchemeAsNoAccess(const String& scheme)
{
    MutexLocker locker(mutex());
    schemesWithUniqueOrigins().add(scheme);
}
void SchemeRegistry::registerURLSchemeAsNoAccess(const String& scheme)
{
    schemesWithUniqueOrigins().add(scheme);
}