[SyncFS] Eliminate SyncFileSystemService dependency from SyncProcessRunner

chrome/browser/sync_file_system/sync_file_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_SYNC_FILE_SYSTEM_SYNC_FILE_SYSTEM_SERVICE_H_
 #define CHROME_BROWSER_SYNC_FILE_SYSTEM_SYNC_FILE_SYSTEM_SERVICE_H_
 
 #include <map>
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/callback_forward.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/scoped_vector.h"
 #include "base/memory/weak_ptr.h"
 #include "base/observer_list.h"
 #include "base/timer/timer.h"
 #include "chrome/browser/sync/profile_sync_service_observer.h"
 #include "chrome/browser/sync_file_system/conflict_resolution_policy.h"
 #include "chrome/browser/sync_file_system/file_status_observer.h"
 #include "chrome/browser/sync_file_system/remote_file_sync_service.h"
 #include "chrome/browser/sync_file_system/sync_callbacks.h"
+#include "chrome/browser/sync_file_system/sync_process_runner.h"
 #include "chrome/browser/sync_file_system/sync_service_state.h"
 #include "chrome/browser/sync_file_system/task_logger.h"
 #include "components/keyed_service/core/keyed_service.h"
 #include "extensions/browser/extension_registry_observer.h"
 #include "url/gurl.h"
 
 class Profile;
 class ProfileSyncServiceBase;
 
 namespace fileapi {
 class FileSystemContext;
 }
 
 namespace sync_file_system {
 
 class LocalFileSyncService;
 class LocalSyncRunner;
 class RemoteSyncRunner;
 class SyncEventObserver;
-class SyncProcessRunner;
 
 class SyncFileSystemService
     : public KeyedService,
+      public SyncProcessRunner::Client,
       public ProfileSyncServiceObserver,
       public FileStatusObserver,
       public extensions::ExtensionRegistryObserver,
       public base::SupportsWeakPtr<SyncFileSystemService> {
  public:
   typedef base::Callback<void(const base::ListValue&)> DumpFilesCallback;
   typedef base::Callback<void(const RemoteFileSyncService::OriginStatusMap&)>
       ExtensionStatusMapCallback;
 
   // KeyedService implementation.
   virtual void Shutdown() OVERRIDE;
 
   void InitializeForApp(
       fileapi::FileSystemContext* file_system_context,
       const GURL& app_origin,
       const SyncStatusCallback& callback);
 
-  SyncServiceState GetSyncServiceState();
   void GetExtensionStatusMap(const ExtensionStatusMapCallback& callback);
   void DumpFiles(const GURL& origin, const DumpFilesCallback& callback);
   void DumpDatabase(const DumpFilesCallback& callback);
 
   // Returns the file |url|'s sync status.
   void GetFileSyncStatus(
       const fileapi::FileSystemURL& url,
       const SyncFileStatusCallback& callback);
 
   void AddSyncEventObserver(SyncEventObserver* observer);
   void RemoveSyncEventObserver(SyncEventObserver* observer);
 
   LocalChangeProcessor* GetLocalChangeProcessor(const GURL& origin);
 
-  void OnSyncIdle();
+  // SyncProcessRunner::Client implementations.
+  virtual void OnSyncIdle() OVERRIDE;
+  virtual SyncServiceState GetSyncServiceState() OVERRIDE;
+  virtual SyncFileSystemService* GetSyncService() OVERRIDE;
 
   TaskLogger* task_logger() { return &task_logger_; }
 
  private:
   friend class SyncFileSystemServiceFactory;
   friend class SyncFileSystemServiceTest;
   friend struct base::DefaultDeleter<SyncFileSystemService>;
   friend class LocalSyncRunner;
   friend class RemoteSyncRunner;
 
@@ skipping 99 matching lines @@
 
   TaskLogger task_logger_;
   ObserverList<SyncEventObserver> observers_;
 
   DISALLOW_COPY_AND_ASSIGN(SyncFileSystemService);
 };
 
 }  // namespace sync_file_system
 
 #endif  // CHROME_BROWSER_SYNC_FILE_SYSTEM_SYNC_FILE_SYSTEM_SERVICE_H_