Supported certificate status code values. See net\cert\cert_status_flags.h
for more information. CERT_STATUS_NONE is new in CEF because we use an
enum while cert_status_flags.h uses a typedef and static const variables.
The manner in which a link click should be opened. These constants match
their equivalents in Chromium's window_open_disposition.h and should not be
renumbered.
Current tab. This is the default in most cases.
Indicates that only one tab with the url should exist in the same window.
Supported error code values. For the complete list of error values see "include/base/internal/cef_net_error_list.h".