DnsProbeJob: Differentiate network and DNS errors

net/dns/dns_test_util.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/dns/dns_test_util.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/memory/weak_ptr.h"
@@ skipping 108 matching lines @@
             writer.WriteBytes(kIPv6Loopback, sizeof(kIPv6Loopback));
           }
           nbytes += answer_size;
         }
         EXPECT_TRUE(response.InitParse(nbytes, query));
         callback_.Run(this, OK, &response);
       } break;
       case MockDnsClientRule::FAIL_ASYNC:
         callback_.Run(this, ERR_NAME_NOT_RESOLVED, NULL);
         break;
+      case MockDnsClientRule::TIMEOUT:
+        callback_.Run(this, ERR_DNS_TIMED_OUT, NULL);
+        break;
       default:
         NOTREACHED();
         break;
     }
   }
 
   MockDnsClientRule::Result result_;
   const std::string hostname_;
   const uint16 qtype_;
   DnsTransactionFactory::CallbackType callback_;
@@ skipping 63 matching lines @@
 
 }  // namespace
 
 // static
 scoped_ptr<DnsClient> CreateMockDnsClient(const DnsConfig& config,
                                           const MockDnsClientRuleList& rules) {
   return scoped_ptr<DnsClient>(new MockDnsClient(config, rules));
 }
 
 }  // namespace net