OnBeforeCreation   37 chrome/installer/util/html_dialog.h     virtual void OnBeforeCreation(wchar_t** extra) = 0;
OnBeforeCreation   91 chrome/installer/util/html_dialog.h     virtual void OnBeforeCreation(wchar_t** extra);
OnBeforeCreation  118 chrome/installer/util/html_dialog_impl.cc     callback->OnBeforeCreation(&extra_args);