[WIP] Provided file system from NACL.

chrome/browser/chromeos/file_system_provider/provided_file_system_info.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/chromeos/file_system_provider/provided_file_system_info.h"
 #include "base/logging.h"
 
 namespace chromeos {
 namespace file_system_provider {
 
@@ skipping 12 matching lines @@
       source(SOURCE_UNKNOWN),
       supports_notify_tag(false),
       opened_files_limit(0) {
 }
 
 ProvidedFileSystemInfo::ProvidedFileSystemInfo()
     : writable_(false), source_(SOURCE_UNKNOWN), supports_notify_tag_(false) {
 }
 
 ProvidedFileSystemInfo::ProvidedFileSystemInfo(
-    const std::string& extension_id,
+    const std::string& source_id,
     const MountOptions& mount_options,
-    const base::FilePath& mount_path)
-    : extension_id_(extension_id),
+    const base::FilePath& mount_path,
+    Source_Type type)
+    : source_id_(source_id),
       file_system_id_(mount_options.file_system_id),
       display_name_(mount_options.display_name),
       writable_(mount_options.writable),
       source_(mount_options.source),
       supports_notify_tag_(mount_options.supports_notify_tag),
       opened_files_limit_(mount_options.opened_files_limit),
-      mount_path_(mount_path) {
+      mount_path_(mount_path),
+      source_type_(type) {
   DCHECK_LE(0, mount_options.opened_files_limit);
 }
 
 ProvidedFileSystemInfo::~ProvidedFileSystemInfo() {}
 
+const std::string ProvidedFileSystemInfo::get_source_id(
+    Source_Type type) const {
+  if (type != source_type_)
+    return std::string();
+
+  return source_id_;
+}
+
 }  // namespace file_system_provider
 }  // namespace chromeos