API for connection type (Ethernet/WIFI/WWAN ...) in NetworkChangeNotifier.

net/base/host_resolver_impl.cc

 // Copyright (c) 2012 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 "net/base/host_resolver_impl.h"
 
 #if defined(OS_WIN)
 #include <Winsock2.h>
 #elif defined(OS_POSIX)
 #include <netdb.h>
@@ skipping 722 matching lines @@
                         int error,
                         const int os_error) {
     DCHECK(origin_loop_->BelongsToCurrentThread());
     DCHECK(error || !results.empty());
 
     bool was_retry_attempt = attempt_number > 1;
 
     // Ideally the following code would be part of host_resolver_proc.cc,
     // however it isn't safe to call NetworkChangeNotifier from worker threads.
     // So we do it here on the IO thread instead.
-    if (error != OK && NetworkChangeNotifier::IsOffline())
+    if (error != OK &&
+        NetworkChangeNotifier::GetConnectionType() ==
+            NetworkChangeNotifier::CONNECTION_NONE) {

[wtc, 2012/05/11 01:35:05]

Nit: this line doesn't need to be indented.

       error = ERR_INTERNET_DISCONNECTED;
+    }
 
     // If this is the first attempt that is finishing later, then record data
     // for the first attempt. Won't contaminate with retry attempt's data.
     if (!was_retry_attempt)
       RecordPerformanceHistograms(start_time, error, os_error);
 
     RecordAttemptHistograms(start_time, attempt_number, error, os_error);
 
     if (was_canceled())
       return;
@@ skipping 1217 matching lines @@
 
   if (self && dns_config.IsValid())
     TryServingAllJobsFromHosts();
 }
 
 bool HostResolverImpl::HaveDnsConfig() const {
   return (dns_client_.get() != NULL) && (dns_client_->GetConfig() != NULL);
 }
 
 }  // namespace net