Use consistent values for enabled_component_updates throughout an update.

components/update_client/update_engine.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_UPDATE_CLIENT_UPDATE_ENGINE_H_
 #define COMPONENTS_UPDATE_CLIENT_UPDATE_ENGINE_H_
 
 #include <list>
 #include <memory>
 #include <queue>
@@ skipping 96 matching lines @@
       CrxDownloader::Factory crx_downloader_factory,
       PingManager* ping_manager);
 
   ~UpdateContext();
 
   scoped_refptr<Configurator> config;
 
   // True if this update has been initiated by the user.
   bool is_foreground;
 
+  // True if the component updates are enabled in this context.
+  const bool enabled_component_updates;
+
   // Contains the ids of all CRXs in this context.
   const std::vector<std::string> ids;
 
   // Called before an update check, when update metadata is needed.
   const UpdateEngine::CrxDataCallback& crx_data_callback;
 
   // Called when there is a state change for any update in this context.
   const UpdateEngine::NotifyObserversCallback notify_observers_callback;
 
   // Called when the all updates associated with this context have completed.
@@ skipping 21 matching lines @@
   // Contains the ids of the items to update.
   std::queue<std::string> queue;
 
   // The time in seconds to wait until doing further update checks.
   int retry_after_sec_;
 };
 
 }  // namespace update_client
 
 #endif  // COMPONENTS_UPDATE_CLIENT_UPDATE_ENGINE_H_