net: Add namespace net to URLRequest and URLRequestJob classes.

chrome/browser/net/url_request_failed_dns_job.h

-// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
+// 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.
 // This class simulates what wininet does when a dns lookup fails.
 
 #ifndef CHROME_BROWSER_NET_URL_REQUEST_FAILED_DNS_JOB_H_
 #define CHROME_BROWSER_NET_URL_REQUEST_FAILED_DNS_JOB_H_
 #pragma once
 
 #include "net/url_request/url_request_job.h"
 
-class URLRequestFailedDnsJob : public URLRequestJob {
+class URLRequestFailedDnsJob : public net::URLRequestJob {
  public:
-  explicit URLRequestFailedDnsJob(URLRequest* request)
+  explicit URLRequestFailedDnsJob(net::URLRequest* request)
       : URLRequestJob(request) { }
 
   virtual void Start();
 
-  static URLRequestJob* Factory(URLRequest* request,
-                                const std::string& scheme);
+  static net::URLRequestJob* Factory(net::URLRequest* request,
+                                     const std::string& scheme);
 
   // A test URL that can be used in UI tests.
   static const char kTestUrl[];
 
   // Adds the testing URLs to the URLRequestFilter.
   static void AddUrlHandler();
 
  private:
    ~URLRequestFailedDnsJob() {}
 
   // Simulate a DNS failure.
   void StartAsync();
 };
 
 #endif  // CHROME_BROWSER_NET_URL_REQUEST_FAILED_DNS_JOB_H_