SyncFS: Introduce SyncFileSystemBackend

webkit/browser/fileapi/file_system_context.h

Index: webkit/browser/fileapi/file_system_context.h
diff --git a/webkit/browser/fileapi/file_system_context.h b/webkit/browser/fileapi/file_system_context.h
index 21d48be36630dc3c52de8de9e29cbd957bd6cf43..fab7a7f3d0350e16c04b135e4dc9d1bf779704fd 100644
--- a/webkit/browser/fileapi/file_system_context.h
+++ b/webkit/browser/fileapi/file_system_context.h
@@ -34,11 +34,6 @@ class QuotaManagerProxy;
 class SpecialStoragePolicy;
 }
 
-namespace sync_file_system {
-class LocalFileChangeTracker;
-class LocalFileSyncContext;
-}
-
 namespace webkit_blob {
 class BlobURLRequestJobTest;
 class FileStreamReader;
@@ -209,17 +204,6 @@ class WEBKIT_STORAGE_BROWSER_EXPORT FileSystemContext
     return operation_runner_.get();
   }
 
-  sync_file_system::LocalFileChangeTracker* change_tracker() {
-    return change_tracker_.get();
-  }
-  void SetLocalFileChangeTracker(
-      scoped_ptr<sync_file_system::LocalFileChangeTracker> tracker);
-
-  sync_file_system::LocalFileSyncContext* sync_context() {
-    return sync_context_.get();
-  }
-  void set_sync_context(sync_file_system::LocalFileSyncContext* sync_context);
-
   const base::FilePath& partition_path() const { return partition_path_; }
 
   // Same as |CrackFileSystemURL|, but cracks FileSystemURL created from |url|.
@@ -313,10 +297,6 @@ class WEBKIT_STORAGE_BROWSER_EXPORT FileSystemContext
   // The base path of the storage partition for this context.
   const base::FilePath partition_path_;
 
-  // For syncable file systems.
-  scoped_ptr<sync_file_system::LocalFileChangeTracker> change_tracker_;
-  scoped_refptr<sync_file_system::LocalFileSyncContext> sync_context_;
-
   scoped_ptr<FileSystemOperationRunner> operation_runner_;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(FileSystemContext);