Set locale for extension tests, keep it from affecting global state

chrome/common/extensions/extension_l10n_util.cc

 // Copyright (c) 2012 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/common/extensions/extension_l10n_util.h"
 
 #include <algorithm>
 #include <set>
 #include <string>
 #include <vector>
@@ skipping 336 matching lines @@
 
   if (std::find(subdir.begin(), subdir.end(), '.') != subdir.end())
     return true;
 
   if (all_locales.find(subdir) == all_locales.end())
     return true;
 
   return false;
 }
 
+ScopedLocaleForTest::ScopedLocaleForTest()
+    : locale_(extension_l10n_util::CurrentLocaleOrDefault()) {}
+
+ScopedLocaleForTest::ScopedLocaleForTest(const std::string& locale)
+    : locale_(extension_l10n_util::CurrentLocaleOrDefault()) {
+  extension_l10n_util::SetProcessLocale(locale);
+}
+
+ScopedLocaleForTest::~ScopedLocaleForTest() {
+  extension_l10n_util::SetProcessLocale(locale_);
+}
+
 }  // namespace extension_l10n_util