Stackable file_util for FileAPIs. Sample code for discussion. Incomplete. Cannot be compiled.

webkit/fileapi/file_system_operation_context.cc

+// Copyright (c) 2011 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/fileapi/file_system_operation_context.h"
+
+namespace fileapi {
+
+FileSystemOperationContext::FileSystemOperationContext(
+    const int64& allowed_growth)
+    : allowed_growth_(allowed_growth) {
+}
+
+FileSystemOperationContext::~FileSystemOperationContext() {
+}
+
+void FileSystemOperationContext::SetAllowedGrowth(
+    const int64& allowed_growth) {
+  allowed_growth_ = allowed_growth;
+}
+
+int64 FileSystemOperationContext::GetAllowedGrowth() {
+  return allowed_growth_;
+}
+
+}  // namespace fileapi