Revert 211950 "Display DNS probe results."

chrome/common/net/net_error_info.cc

-// Copyright 2013 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "base/logging.h"
-#include "base/metrics/field_trial.h"
-#include "chrome/common/net/net_error_info.h"
-
-namespace chrome_common_net {
-
-const char kDnsProbeErrorDomain[] = "dnsprobe";
-
-const char* DnsProbeStatusToString(int status) {
-  switch (status) {
-  case DNS_PROBE_POSSIBLE:
-    return "DNS_PROBE_POSSIBLE";
-  case DNS_PROBE_NOT_RUN:
-    return "DNS_PROBE_NOT_RUN";
-  case DNS_PROBE_STARTED:
-    return "DNS_PROBE_STARTED";
-  case DNS_PROBE_FINISHED_INCONCLUSIVE:
-    return "DNS_PROBE_FINISHED_INCONCLUSIVE";
-  case DNS_PROBE_FINISHED_NO_INTERNET:
-    return "DNS_PROBE_FINISHED_NO_INTERNET";
-  case DNS_PROBE_FINISHED_BAD_CONFIG:
-    return "DNS_PROBE_FINISHED_BAD_CONFIG";
-  case DNS_PROBE_FINISHED_NXDOMAIN:
-    return "DNS_PROBE_FINISHED_NXDOMAIN";
-  default:
-    NOTREACHED();
-    return "";
-  }
-}
-
-bool DnsProbeStatusIsFinished(DnsProbeStatus status) {
-  return status >= DNS_PROBE_FINISHED_INCONCLUSIVE &&
-         status < DNS_PROBE_MAX;
-}
-
-bool DnsProbesEnabledByFieldTrial() {
-  const char kDnsProbeFieldTrialName[] = "DnsProbe-Enable";
-  const char kDnsProbeFieldTrialEnableGroupName[] = "enable";
-
-  return base::FieldTrialList::FindFullName(kDnsProbeFieldTrialName) ==
-         kDnsProbeFieldTrialEnableGroupName;
-}
-
-}  // namespace chrome_common_net