Move most of the component updater artifacts to update_client.

components/update_client/utils.h

 // 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.
 
-#ifndef COMPONENTS_COMPONENT_UPDATER_COMPONENT_UPDATER_UTILS_H_
-#define COMPONENTS_COMPONENT_UPDATER_COMPONENT_UPDATER_UTILS_H_
+#ifndef COMPONENTS_UPDATE_CLIENT_UTILS_H_
+#define COMPONENTS_UPDATE_CLIENT_UTILS_H_
 
 #include <string>
 
-struct CrxComponent;
 class GURL;
 
 namespace base {
 class FilePath;
 }
 
 namespace net {
 class URLFetcher;
 class URLFetcherDelegate;
 class URLRequestContextGetter;
 }
 
-namespace component_updater {
+namespace update_client {
 
 class Configurator;
+struct CrxComponent;
 struct CrxUpdateItem;
 
 // An update protocol request starts with a common preamble which includes
 // version and platform information for Chrome and the operating system,
 // followed by a request body, which is the actual payload of the request.
 // For example:
 //
 // <?xml version="1.0" encoding="UTF-8"?>
 // <request protocol="3.0" version="chrome-32.0.1.0"  prodversion="32.0.1.0"
 //        requestid="{7383396D-B4DD-46E1-9104-AAC6B918E792}"
@@ skipping 42 matching lines @@
 
 // Deletes the file and its directory, if the directory is empty. If the
 // parent directory is not empty, the function ignores deleting the directory.
 // Returns true if the file and the empty directory are deleted.
 bool DeleteFileAndEmptyParentDirectory(const base::FilePath& filepath);
 
 // Returns the component id of the |component|. The component id is in a
 // format similar with the format of an extension id.
 std::string GetCrxComponentID(const CrxComponent& component);
 
-}  // namespace component_updater
+}  // namespace update_client
 
-#endif  // COMPONENTS_COMPONENT_UPDATER_COMPONENT_UPDATER_UTILS_H_
+#endif  // COMPONENTS_UPDATE_CLIENT_UTILS_H_