Move most of the component updater artifacts to update_client.

components/update_client/url_fetcher_downloader.cc

 // Copyright 2014 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 "components/component_updater/url_fetcher_downloader.h"
+#include "components/update_client/url_fetcher_downloader.h"
 
 #include <stdint.h>
 
 #include "base/logging.h"
 #include "base/sequenced_task_runner.h"
-#include "components/component_updater/component_updater_utils.h"
+#include "components/update_client/utils.h"
 #include "net/base/load_flags.h"
 #include "net/url_request/url_fetcher.h"
 #include "url/gurl.h"
 
-namespace component_updater {
+namespace update_client {
 
 UrlFetcherDownloader::UrlFetcherDownloader(
     scoped_ptr<CrxDownloader> successor,
     net::URLRequestContextGetter* context_getter,
     scoped_refptr<base::SequencedTaskRunner> task_runner)
     : CrxDownloader(successor.Pass()),
       context_getter_(context_getter),
       task_runner_(task_runner),
       downloaded_bytes_(-1),
       total_bytes_(-1) {
@@ skipping 72 matching lines @@
   downloaded_bytes_ = current;
   total_bytes_ = total;
 
   Result result;
   result.downloaded_bytes = downloaded_bytes_;
   result.total_bytes = total_bytes_;
 
   OnDownloadProgress(result);
 }
 
-}  // namespace component_updater
+}  // namespace update_client