net: Add namespace net to the remaining files under url_request directory.

chrome/browser/plugin_download_helper.h

-// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Copyright (c) 2011 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 CHROME_BROWSER_PLUGIN_DOWNLOAD_HELPER_H_
 #define CHROME_BROWSER_PLUGIN_DOWNLOAD_HELPER_H_
 #pragma once
 
 #include <string>
 #include "build/build_config.h"
 
@@ skipping 17 matching lines @@
 
     virtual void OnDownloadCompleted(const FilePath& download_path,
                                      bool success) {}
   };
 
   PluginDownloadUrlHelper(const std::string& download_url,
                           int source_pid, gfx::NativeWindow caller_window,
                           PluginDownloadUrlHelper::DownloadDelegate* delegate);
   ~PluginDownloadUrlHelper();
 
-  void InitiateDownload(URLRequestContext* request_context);
+  void InitiateDownload(net::URLRequestContext* request_context);
 
   // net::URLRequest::Delegate
   virtual void OnAuthRequired(net::URLRequest* request,
                               net::AuthChallengeInfo* auth_info);
   virtual void OnSSLCertificateError(net::URLRequest* request,
                                      int cert_error,
                                      net::X509Certificate* cert);
   virtual void OnResponseStarted(net::URLRequest* request);
   virtual void OnReadCompleted(net::URLRequest* request, int bytes_read);
 
@@ skipping 21 matching lines @@
   PluginDownloadUrlHelper::DownloadDelegate* delegate_;
 
   DISALLOW_COPY_AND_ASSIGN(PluginDownloadUrlHelper);
 };
 
 #endif  // OS_WIN
 
 #endif  // CHROME_BROWSER_PLUGIN_DOWNLOAD_HELPER_H_