[net/dns] Removes locking from DnsConfigServiceWin and adds local computer name.

net/dns/serial_worker.cc

Index: net/dns/serial_worker.cc
diff --git a/net/dns/serial_worker.cc b/net/dns/serial_worker.cc
index d2e42c050c1e415a4fecbe38700ae168614dca19..60040a69ffa6b42b83dae3dc80a092b1e4522420 100644
--- a/net/dns/serial_worker.cc
+++ b/net/dns/serial_worker.cc
@@ -1,4 +1,4 @@
-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// 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.
 
@@ -11,6 +11,11 @@
 
 namespace net {
 
+namespace {
+  // Delay between calls to WorkerPool::PostTask
+  const int kWorkerPoolRetryDelayMs = 100;
+}
+
 SerialWorker::SerialWorker()
   : message_loop_(base::MessageLoopProxy::current()),
     state_(IDLE) {}