Parse /etc/lsb-release only once on ChromeOS

chrome/browser/chromeos/extensions/file_manager/private_api_strings.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 "chrome/browser/chromeos/extensions/file_manager/private_api_strings.h"
 
+#include "base/sys_info.h"
 #include "chrome/browser/chromeos/file_manager/open_with_browser.h"
-#include "chrome/browser/chromeos/system/statistics_provider.h"
 #include "chrome/common/extensions/extension_l10n_util.h"
 #include "grit/app_locale_settings.h"
 #include "grit/generated_resources.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/webui/web_ui_util.h"
 
 namespace extensions {
 
 FileBrowserPrivateGetStringsFunction::FileBrowserPrivateGetStringsFunction() {
 }
@@ skipping 490 matching lines @@
 
   dict->SetBoolean("PDF_VIEW_ENABLED",
                    file_manager::util::ShouldBeOpenedWithPlugin(profile(),
                                                   FILE_PATH_LITERAL(".pdf")));
   dict->SetBoolean("SWF_VIEW_ENABLED",
                    file_manager::util::ShouldBeOpenedWithPlugin(profile(),
                                                   FILE_PATH_LITERAL(".swf")));
 
   webui::SetFontAndTextDirection(dict);
 
-  std::string board;
-  chromeos::system::StatisticsProvider* provider =
-      chromeos::system::StatisticsProvider::GetInstance();
-  if (!provider->GetMachineStatistic(chromeos::system::kMachineInfoBoard,
-                                     &board)) {
-    board = "unknown";
-  }
-  dict->SetString(chromeos::system::kMachineInfoBoard, board);
+  dict->SetString("CHROMEOS_RELEASE_BOARD",
+                  base::SysInfo::GetLsbReleaseBoard());
 
   dict->SetString("UI_LOCALE", extension_l10n_util::CurrentLocaleOrDefault());
 
   return true;
 }
 
 }  // namespace extensions