Refactor how the updater state data is serialized in update checks.

components/component_updater/component_updater_service_internal.h

 // Copyright 2015 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_SERVICE_INTERNAL_H_
 #define COMPONENTS_COMPONENT_UPDATER_COMPONENT_UPDATER_SERVICE_INTERNAL_H_
 
 #include <map>
 #include <memory>
 #include <string>
@@ skipping 66 matching lines @@
   const CrxComponent* GetComponent(const std::string& id) const;
 
   const CrxUpdateItem* GetComponentState(const std::string& id) const;
 
   void OnUpdate(const std::vector<std::string>& ids,
                 std::vector<CrxComponent>* components);
   void OnUpdateComplete(Callback callback,
                         const base::TimeTicks& start_time,
                         update_client::Error error);
 
-  // Returns the map of installer attributes for the recovery component
-  // installer. This data corresponds to the Omaha updater state and it is
-  // serialized as part of the update check for the recovery component.
-  update_client::InstallerAttributes
-  GetInstallerAttributesForRecoveryComponentInstaller(
-      const CrxComponent& crx_component) const;
   base::ThreadChecker thread_checker_;
 
   scoped_refptr<Configurator> config_;
 
   scoped_refptr<UpdateClient> update_client_;
 
   Timer timer_;
 
   // A collection of every registered component.
   using Components = std::map<std::string, CrxComponent>;
@@ skipping 25 matching lines @@
   std::map<std::string, std::string> component_ids_by_mime_type_;
 
   scoped_refptr<base::SequencedTaskRunner> blocking_task_runner_;
 
   DISALLOW_COPY_AND_ASSIGN(CrxUpdateService);
 };
 
 }  // namespace component_updater
 
 #endif  // COMPONENTS_COMPONENT_UPDATER_COMPONENT_UPDATER_SERVICE_INTERNAL_H_