/etc/signon-ui/webkit-options.d/api.t.sohu.com.conf is in account-plugin-sohu 0.11+14.04.20140409.1-0ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 | UsernameField = input[name="email"]
PasswordField = input[name="password"]
|