ClearHostCache    782 chrome/browser/browsing_data/browsing_data_remover.cc   io_thread->ClearHostCache();
ClearHostCache   1021 chrome/browser/io_thread.cc   ClearHostCache();
ClearHostCache    213 chrome/browser/io_thread.h   void ClearHostCache();
ClearHostCache    115 chrome/browser/ui/webui/chromeos/login/signin_screen_handler.cc   io_thread->ClearHostCache();