NAVIGATION_TYPE_UNKNOWN  983 content/browser/frame_host/navigation_controller_impl.cc                               NAVIGATION_TYPE_UNKNOWN)) {
NAVIGATION_TYPE_UNKNOWN  159 content/browser/frame_host/navigation_controller_impl.h     return IsURLInPageNavigation(url, false, NAVIGATION_TYPE_UNKNOWN);
NAVIGATION_TYPE_UNKNOWN 2950 content/browser/frame_host/navigation_controller_impl_unittest.cc       NAVIGATION_TYPE_UNKNOWN));
NAVIGATION_TYPE_UNKNOWN   11 content/public/browser/navigation_details.cc       type(content::NAVIGATION_TYPE_UNKNOWN),