[ew] Add basic classes.

chrome/browser/local_discovery/storage/privet_filesystem_backend.cc

 // Copyright 2014 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.
 
 #include "chrome/browser/local_discovery/storage/privet_filesystem_backend.h"
 
 #include <string>
 
 #include "chrome/browser/local_discovery/storage/privet_filesystem_async_util.h"
 #include "chrome/browser/local_discovery/storage/privet_filesystem_constants.h"
@@ skipping 37 matching lines @@
 storage::FileSystemQuotaUtil* PrivetFileSystemBackend::GetQuotaUtil() {
   // No quota support.
   return NULL;
 }
 
 storage::AsyncFileUtil* PrivetFileSystemBackend::GetAsyncFileUtil(
     storage::FileSystemType type) {
   return async_util_.get();
 }
 
+storage::WatcherManager* PrivetFileSystemBackend::GetWatcherManager(
+    storage::FileSystemType type) {
+  return NULL;
+}
+
 storage::CopyOrMoveFileValidatorFactory*
 PrivetFileSystemBackend::GetCopyOrMoveFileValidatorFactory(
     storage::FileSystemType type,
     base::File::Error* error_code) {
   DCHECK(error_code);
   *error_code = base::File::FILE_OK;
   return NULL;
 }
 
 storage::FileSystemOperation*
@@ skipping 28 matching lines @@
 
 scoped_ptr<storage::FileStreamWriter>
 PrivetFileSystemBackend::CreateFileStreamWriter(
     const storage::FileSystemURL& url,
     int64 offset,
     storage::FileSystemContext* context) const {
   return scoped_ptr<storage::FileStreamWriter>();
 }
 
 }  // namespace local_discovery