ERROR_DELIVERY     73 webkit/browser/appcache/appcache_url_request_job.cc   delivery_type_ = ERROR_DELIVERY;
ERROR_DELIVERY    106 webkit/browser/appcache/appcache_url_request_job.cc     case ERROR_DELIVERY:
ERROR_DELIVERY    260 webkit/browser/appcache/appcache_url_request_job.cc   delivery_type_ = ERROR_DELIVERY;
ERROR_DELIVERY     61 webkit/browser/appcache/appcache_url_request_job.h     return delivery_type_ == ERROR_DELIVERY;