[WIP] Provided file system from NACL.

chrome/browser/chromeos/file_system_provider/file_system_plugin/provided_file_system_adapter.h

+// Copyright 2015 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_CHROMEOS_FILE_SYSTEM_PROVIDER_PLUGIN_PROVIDED_FILE_SYSTEM_ADAPTER_H
+#define CHROME_BROWSER_CHROMEOS_FILE_SYSTEM_PROVIDER_PLUGIN_PROVIDED_FILE_SYSTEM_ADAPTER_H
+
+#include "base/basictypes.h"
+#include "base/memory/scoped_ptr.h"
+#include "base/values.h"
+#include "chrome/browser/chromeos/file_system_provider/provided_file_system_interface.h"
+#include "chrome/browser/chromeos/file_system_provider/request_manager.h"
+#include "chrome/common/extensions/api/file_system_provider.h"
+
+namespace chromeos {
+namespace file_system_provider {
+
+class ProvidedFileSystemAdapter {
+ public:
+  typedef base::Callback<void(base::File::Error)>
+  StatusCallback;
+  static RequestType OperationTypeFromExtensionEvent(
+      const std::string& extension_operation);
+  bool PushSuccessResponse(int32_t, scoped_ptr<base::ListValue>);
+  bool PushErrorResponse(scoped_ptr<base::ListValue>);
+  bool PushChangeNotificationResponse(scoped_ptr<base::ListValue>,
+                                      StatusCallback);
+  // ProvidedFileSystemInterface interface
+  ProvidedFileSystemInterface* GetProvidedFileSystem();
+
+  explicit ProvidedFileSystemAdapter(
+      scoped_ptr<ProvidedFileSystemInterface> file_system );
+  ~ProvidedFileSystemAdapter();
+private:
+ scoped_ptr<ProvidedFileSystemInterface> provided_file_system_impl_;
+ DISALLOW_COPY_AND_ASSIGN(ProvidedFileSystemAdapter);
+};
+
+} // namespace file_system_provider
+} // namespace chromeos
+#endif // CHROME_BROWSER_CHROMEOS_FILE_SYSTEM_PROVIDER_PLUGIN_PROVIDED_FILE_SYSTEM_ADAPTER_H
+