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

chrome/browser/importer/toolbar_importer.h

Index: chrome/browser/importer/toolbar_importer.h
diff --git a/chrome/browser/importer/toolbar_importer.h b/chrome/browser/importer/toolbar_importer.h
index f83135ac52e671dd74bcdc8b18ee815aa9e4ba20..e0b87e52673f0d153baabb2a170276ab7a3997eb 100644
--- a/chrome/browser/importer/toolbar_importer.h
+++ b/chrome/browser/importer/toolbar_importer.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.
 
@@ -54,7 +54,7 @@ class Toolbar5Importer : public URLFetcher::Delegate, public Importer {
   // URLFetcher::Delegate method called back from the URLFetcher object.
   virtual void OnURLFetchComplete(const URLFetcher* source,
                           const GURL& url,
-                          const URLRequestStatus& status,
+                          const net::URLRequestStatus& status,
                           int response_code,
                           const ResponseCookies& cookies,
                           const std::string& data);