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

chrome_frame/urlmon_url_request.h

Index: chrome_frame/urlmon_url_request.h
diff --git a/chrome_frame/urlmon_url_request.h b/chrome_frame/urlmon_url_request.h
index a0c9605d1c1c4c1e000e21e5cd0a19273075d6ce..4c60dcb598457fab0a48d749e5a3788d945d807d 100644
--- a/chrome_frame/urlmon_url_request.h
+++ b/chrome_frame/urlmon_url_request.h
@@ -1,4 +1,4 @@
-// Copyright (c) 2009 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.
 
@@ -97,7 +97,8 @@ class UrlmonUrlRequestManager
                                  const std::string& redirect_url,
                                  int redirect_status);
   virtual void OnReadComplete(int request_id, const std::string& data);
-  virtual void OnResponseEnd(int request_id, const URLRequestStatus& status);
+  virtual void OnResponseEnd(int request_id,
+                             const net::URLRequestStatus& status);
   virtual void OnCookiesRetrieved(bool success, const GURL& url,
                                   const std::string& cookie_string,
                                   int cookie_id);