Move DNS functions from net_error_info.h into error_page namespace.

components/error_page/common/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 "components/error_page/common/net_error_info.h"
 
 #include "base/logging.h"
 #include "base/metrics/histogram_macros.h"
 
-namespace chrome_common_net {
+namespace error_page {
 
 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 "";
+    case chrome_common_net::DNS_PROBE_POSSIBLE:
+      return "DNS_PROBE_POSSIBLE";
+    case chrome_common_net::DNS_PROBE_NOT_RUN:
+      return "DNS_PROBE_NOT_RUN";
+    case chrome_common_net::DNS_PROBE_STARTED:
+      return "DNS_PROBE_STARTED";
+    case chrome_common_net::DNS_PROBE_FINISHED_INCONCLUSIVE:
+      return "DNS_PROBE_FINISHED_INCONCLUSIVE";
+    case chrome_common_net::DNS_PROBE_FINISHED_NO_INTERNET:
+      return "DNS_PROBE_FINISHED_NO_INTERNET";
+    case chrome_common_net::DNS_PROBE_FINISHED_BAD_CONFIG:
+      return "DNS_PROBE_FINISHED_BAD_CONFIG";
+    case chrome_common_net::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 DnsProbeStatusIsFinished(chrome_common_net::DnsProbeStatus status) {
+  return status >= chrome_common_net::DNS_PROBE_FINISHED_INCONCLUSIVE &&
+         status < chrome_common_net::DNS_PROBE_MAX;
 }
 
-void RecordEvent(NetworkErrorPageEvent event) {
+void RecordEvent(chrome_common_net::NetworkErrorPageEvent event) {
   UMA_HISTOGRAM_ENUMERATION("Net.ErrorPageCounts", event,
-                            NETWORK_ERROR_PAGE_EVENT_MAX);
+                            chrome_common_net::NETWORK_ERROR_PAGE_EVENT_MAX);
 }
 
-}  // namespace chrome_common_net
+}  // namespace error_page