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

chrome/browser/task_manager/task_manager.h

Index: chrome/browser/task_manager/task_manager.h
diff --git a/chrome/browser/task_manager/task_manager.h b/chrome/browser/task_manager/task_manager.h
index c0f757ea98dd13bc7ed279ef637f906991dcb317..711709285c0f24d20aa753de03f1478ebcabc7c2 100644
--- a/chrome/browser/task_manager/task_manager.h
+++ b/chrome/browser/task_manager/task_manager.h
@@ -1,4 +1,4 @@
-// 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.
 
@@ -300,7 +300,7 @@ class TaskManagerModel : public net::URLRequestJobTracker::JobObserver,
   virtual void OnJobAdded(net::URLRequestJob* job);
   virtual void OnJobRemoved(net::URLRequestJob* job);
   virtual void OnJobDone(net::URLRequestJob* job,
-                         const URLRequestStatus& status);
+                         const net::URLRequestStatus& status);
   virtual void OnJobRedirect(net::URLRequestJob* job,
                              const GURL& location,
                              int status_code);