Simplify threading in browser thread by making only ChromeThread deal with di...

chrome/browser/net/test_url_fetcher_factory.cc

 // Copyright (c) 2009 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.
 
 #include "chrome/browser/net/test_url_fetcher_factory.h"
 
 TestURLFetcher::TestURLFetcher(const GURL& url,
                                URLFetcher::RequestType request_type,
                                URLFetcher::Delegate* d)
     : URLFetcher(url, request_type, d),
       original_url_(url) {
 }
 
 URLFetcher* TestURLFetcherFactory::CreateURLFetcher(
     int id,
     const GURL& url,
     URLFetcher::RequestType request_type,
     URLFetcher::Delegate* d) {
   TestURLFetcher* fetcher = new TestURLFetcher(url, request_type, d);
   fetchers_[id] = fetcher;
-  // URLFetcher's destructor requires the message loop.
-  fetcher->set_io_loop(MessageLoop::current());
   return fetcher;
 }
 
 TestURLFetcher* TestURLFetcherFactory::GetFetcherByID(int id) const {
   Fetchers::const_iterator i = fetchers_.find(id);
   return i == fetchers_.end() ? NULL : i->second;
 }