PPAPI: Add PluginPrivateFileSystem

ppapi/proxy/plugin_private_file_system_private_resource.cc

+// Copyright 2013 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 "ppapi/proxy/plugin_private_file_system_private_resource.h"
+
+#include "base/bind.h"
+#include "ppapi/c/pp_errors.h"
+#include "ppapi/c/pp_file_info.h"
+#include "ppapi/proxy/file_system_resource.h"
+#include "ppapi/proxy/ppapi_messages.h"
+#include "ppapi/proxy/resource_message_params.h"
+#include "ppapi/shared_impl/host_resource.h"
+#include "ppapi/shared_impl/tracked_callback.h"
+#include "ppapi/thunk/enter.h"
+
+namespace ppapi {
+namespace proxy {
+
+namespace {
+void RunTrackedCallback(scoped_refptr<TrackedCallback> callback,
+                        int32_t rc) {
+  callback->Run(rc);
+}
+}  // namespace
+
+PluginPrivateFileSystemPrivateResource::PluginPrivateFileSystemPrivateResource(
+    Connection connection, PP_Instance instance)
+    : PluginResource(connection, instance) {
+}
+
+PluginPrivateFileSystemPrivateResource::
+~PluginPrivateFileSystemPrivateResource() {
+}
+
+thunk::PPB_PluginPrivateFileSystem_Private_API*
+PluginPrivateFileSystemPrivateResource::
+AsPPB_PluginPrivateFileSystem_Private_API() {
+  return this;
+}
+
+int32_t PluginPrivateFileSystemPrivateResource::Open(
+    PP_Instance /* unused */,
+    PP_Resource* file_system_resource,
+    scoped_refptr<TrackedCallback> callback) {
+  if (!file_system_resource)
+    return PP_ERROR_BADARGUMENT;
+
+  FileSystemResource* fs = new FileSystemResource(
+      connection(), pp_instance(), PP_FILESYSTEMTYPE_ISOLATED);
+  *file_system_resource = fs->GetReference();
+  if (*file_system_resource == 0)
+    return PP_ERROR_FAILED;
+
+  return fs->OpenPluginPrivateFileSystem(
+      base::Bind(&RunTrackedCallback, callback));
+}
+
+}  // namespace proxy
+}  // namespace ppapi