Avoid printing log errors during shutdown of HostResolverImpl when there are ...

net/base/host_resolver_impl.cc

 // Copyright (c) 2010 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 889 matching lines @@
 
 void HostResolverImpl::ProbeIPv6Support() {
   DCHECK(CalledOnValidThread());
   DCHECK(!ipv6_probe_monitoring_);
   ipv6_probe_monitoring_ = true;
   OnIPAddressChanged();  // Give initial setup call.
 }
 
 void HostResolverImpl::Shutdown() {
   DCHECK(CalledOnValidThread());
-  shutdown_ = true;
 
   // Cancel the outstanding jobs.
   for (JobMap::iterator it = jobs_.begin(); it != jobs_.end(); ++it)
     it->second->Cancel();
   jobs_.clear();
   DiscardIPv6ProbeJob();
+
+  shutdown_ = true;
 }
 
 void HostResolverImpl::SetPoolConstraints(JobPoolIndex pool_index,
                                           size_t max_outstanding_jobs,
                                           size_t max_pending_requests) {
   DCHECK(CalledOnValidThread());
   CHECK_GE(pool_index, 0);
   CHECK_LT(pool_index, POOL_COUNT);
   CHECK(jobs_.empty()) << "Can only set constraints during setup";
   JobPool* pool = job_pools_[pool_index];
@@ skipping 238 matching lines @@
     if (r == req)
       return error;
 
     r->OnComplete(error, AddressList());
   }
 
   return ERR_IO_PENDING;
 }
 
 }  // namespace net