Move component updater artifacts into component_updater namespace.

chrome/browser/component_updater/crx_update_item.h

 // Copyright 2013 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 CHROME_BROWSER_COMPONENT_UPDATER_CRX_UPDATE_ITEM_H_
 #define CHROME_BROWSER_COMPONENT_UPDATER_CRX_UPDATE_ITEM_H_
 
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/memory/weak_ptr.h"
 #include "base/time/time.h"
 #include "base/version.h"
 #include "chrome/browser/component_updater/component_updater_service.h"
 #include "chrome/browser/component_updater/crx_downloader.h"
 
+namespace component_updater {
+
 class CUResourceThrottle;
 
-namespace component_updater {
-
 // This is the one and only per-item state structure. Designed to be hosted
 // in a std::vector or a std::list. The two main members are |component|
 // which is supplied by the the component updater client and |status| which
 // is modified as the item is processed by the update pipeline. The expected
 // transition graph is:
 //
 //                  on-demand                on-demand
 //   +---------------------------> kNew <--------------+-------------+
 //   |                              |                  |             |
 //   |                              V                  |             |
@@ skipping 92 matching lines @@
       return (item->id == id_);
     }
    private:
     const std::string& id_;
   };
 };
 
 }  // namespace component_updater
 
 #endif  // CHROME_BROWSER_COMPONENT_UPDATER_CRX_UPDATE_ITEM_H_