gdata: Move ownership of GDataCache to GDataSystemService

chrome/browser/chromeos/gdata/gdata_system_service.h

 // Copyright (c) 2012 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_CHROMEOS_GDATA_GDATA_SYSTEM_SERVICE_H_
 #define CHROME_BROWSER_CHROMEOS_GDATA_GDATA_SYSTEM_SERVICE_H_
 #pragma once
 
 #include "base/memory/scoped_ptr.h"
 #include "chrome/browser/chromeos/gdata/gdata_file_system.h"
@@ skipping 13 matching lines @@
 // implementation for the file manager, and some other sub systems.
 //
 // The class is essentially a container that manages lifetime of the objects
 // that are used to run the GData system. The GDataSystemService object is
 // created per-profile.
 class GDataSystemService : public ProfileKeyedService  {
  public:
   // Returns the documents service instance.
   DocumentsServiceInterface* docs_service() { return documents_service_.get(); }
 
+  // Returns the cache instance.
+  GDataCache* cache() { return cache_.get(); }
+
   // Returns the file system instance.
   GDataFileSystem* file_system() { return file_system_.get(); }
 
   // Returns the uploader instance.
   GDataUploader* uploader() { return uploader_.get(); }
 
   // Returns the file system instance.
   DriveWebAppsRegistry* webapps_registry() { return webapps_registry_.get(); }
 
   // ProfileKeyedService override:
   virtual void Shutdown() OVERRIDE;
 
  private:
   explicit GDataSystemService(Profile* profile);
   virtual ~GDataSystemService();
 
   // Initializes the object. This function should be called before any
   // other functions.
   void Initialize();
 
   friend class GDataSystemServiceFactory;
 
   Profile* profile_;
+  const base::SequencedWorkerPool::SequenceToken sequence_token_;
+  scoped_ptr<GDataCache> cache_;
   scoped_ptr<DocumentsServiceInterface> documents_service_;
   scoped_ptr<GDataFileSystem> file_system_;
   scoped_ptr<GDataUploader> uploader_;
   scoped_ptr<GDataDownloadObserver> download_observer_;
   scoped_ptr<GDataSyncClient> sync_client_;
   scoped_ptr<DriveWebAppsRegistry> webapps_registry_;
 
   DISALLOW_COPY_AND_ASSIGN(GDataSystemService);
 };
 
@@ skipping 18 matching lines @@
   virtual ~GDataSystemServiceFactory();
 
   // ProfileKeyedServiceFactory:
   virtual ProfileKeyedService* BuildServiceInstanceFor(
       Profile* profile) const OVERRIDE;
 };
 
 }  // namespace gdata
 
 #endif  // CHROME_BROWSER_CHROMEOS_GDATA_GDATA_SYSTEM_SERVICE_H_