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

chrome/browser/autocomplete/search_provider.h

 // 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 file contains the Search autocomplete provider.  This provider is
 // responsible for all non-keyword autocomplete entries that start with
 // "Search <engine> for ...", including searching for the current input string,
 // search history, and search suggestions.  An instance of it gets created and
 // managed by the autocomplete controller.
 //
@@ skipping 52 matching lines @@
                             const std::wstring& suggest_text);
 
   // AutocompleteProvider
   virtual void Start(const AutocompleteInput& input,
                      bool minimal_changes);
   virtual void Stop();
 
   // URLFetcher::Delegate
   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);
 
   // ID used in creating URLFetcher for default provider's suggest results.
   static const int kDefaultProviderURLFetcherID;
 
   // ID used in creating URLFetcher for keyword provider's suggest results.
   static const int kKeywordProviderURLFetcherID;
 
@@ skipping 230 matching lines @@
   // Whether suggest_results_ is valid.
   bool have_suggest_results_;
 
   // Has FinalizeInstantQuery been invoked since the last |Start|?
   bool instant_finalized_;
 
   DISALLOW_COPY_AND_ASSIGN(SearchProvider);
 };
 
 #endif  // CHROME_BROWSER_AUTOCOMPLETE_SEARCH_PROVIDER_H_