[ew] Add basic classes.

webkit/browser/fileapi/isolated_file_system_backend.cc

 // 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.
 
 #include "webkit/browser/fileapi/isolated_file_system_backend.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/files/file_path.h"
 #include "base/files/file_util_proxy.h"
 #include "base/logging.h"
 #include "base/message_loop/message_loop_proxy.h"
 #include "base/sequenced_task_runner.h"
 #include "webkit/browser/blob/file_stream_reader.h"
 #include "webkit/browser/fileapi/async_file_util_adapter.h"
 #include "webkit/browser/fileapi/copy_or_move_file_validator.h"
 #include "webkit/browser/fileapi/dragged_file_util.h"
 #include "webkit/browser/fileapi/file_stream_writer.h"
 #include "webkit/browser/fileapi/file_system_context.h"
 #include "webkit/browser/fileapi/file_system_operation.h"
 #include "webkit/browser/fileapi/file_system_operation_context.h"
 #include "webkit/browser/fileapi/isolated_context.h"
 #include "webkit/browser/fileapi/native_file_util.h"
 #include "webkit/browser/fileapi/transient_file_util.h"
+#include "webkit/browser/fileapi/watcher_manager.h"
 #include "webkit/common/fileapi/file_system_types.h"
 #include "webkit/common/fileapi/file_system_util.h"
 
 namespace storage {
 
 IsolatedFileSystemBackend::IsolatedFileSystemBackend()
     : isolated_file_util_(new AsyncFileUtilAdapter(new LocalFileUtil())),
       dragged_file_util_(new AsyncFileUtilAdapter(new DraggedFileUtil())),
       transient_file_util_(new AsyncFileUtilAdapter(new TransientFileUtil())) {
 }
@@ skipping 41 matching lines @@
     case kFileSystemTypeDragged:
       return dragged_file_util_.get();
     case kFileSystemTypeForTransientFile:
       return transient_file_util_.get();
     default:
       NOTREACHED();
   }
   return NULL;
 }
 
+WatcherManager* IsolatedFileSystemBackend::GetWatcherManager(
+    FileSystemType type) {
+  return NULL;
+}
+
 CopyOrMoveFileValidatorFactory*
 IsolatedFileSystemBackend::GetCopyOrMoveFileValidatorFactory(
     FileSystemType type, base::File::Error* error_code) {
   DCHECK(error_code);
   *error_code = base::File::FILE_OK;
   return NULL;
 }
 
 FileSystemOperation* IsolatedFileSystemBackend::CreateFileSystemOperation(
     const FileSystemURL& url,
@@ skipping 40 matching lines @@
           offset,
           FileStreamWriter::OPEN_EXISTING_FILE));
 }
 
 FileSystemQuotaUtil* IsolatedFileSystemBackend::GetQuotaUtil() {
   // No quota support.
   return NULL;
 }
 
 }  // namespace storage