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

net/dns/serial_worker.h

 // 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.
 
 #ifndef NET_DNS_SERIAL_WORKER_H_
 #define NET_DNS_SERIAL_WORKER_H_
 #pragma once
 
 #include <string>
 
@@ skipping 33 matching lines @@
 
   // Unless already scheduled, post |DoWork| to WorkerPool.
   // Made virtual to allow mocking.
   virtual void WorkNow();
 
   // Stop scheduling jobs.
   void Cancel();
 
   bool IsCancelled() const { return state_ == CANCELLED; }
 
-  // Delay between calls to WorkerPool::PostTask
-  static const int kWorkerPoolRetryDelayMs = 100;
-
  protected:
   friend class base::RefCountedThreadSafe<SerialWorker>;
   // protected to allow sub-classing, but prevent deleting
   virtual ~SerialWorker();
 
   // Executed on WorkerPool, at most once at a time.
   virtual void DoWork() = 0;
 
   // Executed on origin thread after |DoRead| completes.
   virtual void OnWorkFinished() = 0;
@@ skipping 26 matching lines @@
 
   State state_;
 
   DISALLOW_COPY_AND_ASSIGN(SerialWorker);
 };
 
 }  // namespace net
 
 #endif  // NET_DNS_SERIAL_WORKER_H_