Move most of the component updater artifacts to update_client.

components/update_client/url_fetcher_downloader.h

Index: components/update_client/url_fetcher_downloader.h
diff --git a/components/component_updater/url_fetcher_downloader.h b/components/update_client/url_fetcher_downloader.h
similarity index 84%
rename from components/component_updater/url_fetcher_downloader.h
rename to components/update_client/url_fetcher_downloader.h
index 99a7d3ab1036ef4874ea8f652fe5d265f74e03ba..7a8e3b24c6e34b72cd8dac9b06b8b41c6c32847c 100644
--- a/components/component_updater/url_fetcher_downloader.h
+++ b/components/update_client/url_fetcher_downloader.h
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef COMPONENTS_COMPONENT_UPDATER_URL_FETCHER_DOWNLOADER_H_
-#define COMPONENTS_COMPONENT_UPDATER_URL_FETCHER_DOWNLOADER_H_
+#ifndef COMPONENTS_UPDATE_CLIENT_URL_FETCHER_DOWNLOADER_H_
+#define COMPONENTS_UPDATE_CLIENT_URL_FETCHER_DOWNLOADER_H_
 
 #include <stdint.h>
 
@@ -12,7 +12,7 @@
 #include "base/memory/scoped_ptr.h"
 #include "base/threading/thread_checker.h"
 #include "base/time/time.h"
-#include "components/component_updater/crx_downloader.h"
+#include "components/update_client/crx_downloader.h"
 #include "net/url_request/url_fetcher_delegate.h"
 
 namespace net {
@@ -20,7 +20,7 @@ class URLFetcher;
 class URLRequestContextGetter;
 }
 
-namespace component_updater {
+namespace update_client {
 
 // Implements a CRX downloader in top of the URLFetcher.
 class UrlFetcherDownloader : public CrxDownloader,
@@ -55,6 +55,6 @@ class UrlFetcherDownloader : public CrxDownloader,
   DISALLOW_COPY_AND_ASSIGN(UrlFetcherDownloader);
 };
 
-}  // namespace component_updater
+}  // namespace update_client
 
-#endif  // COMPONENTS_COMPONENT_UPDATER_URL_FETCHER_DOWNLOADER_H_
+#endif  // COMPONENTS_UPDATE_CLIENT_URL_FETCHER_DOWNLOADER_H_