Move default_locale out of Extension class

chrome/common/extensions/manifest_tests/extension_manifests_default_unittest.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/manifest_tests/extension_manifest_test.h"
-
-#include "chrome/common/extensions/extension.h"
-#include "chrome/common/extensions/extension_manifest_constants.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace errors = extension_manifest_errors;
-
-TEST_F(ExtensionManifestTest, DefaultPathForExtent) {
-  scoped_refptr<extensions::Extension> extension(
-      LoadAndExpectSuccess("default_path_for_extent.json"));
-
-  ASSERT_EQ(1u, extension->web_extent().patterns().size());
-  EXPECT_EQ("/*", extension->web_extent().patterns().begin()->path());
-  EXPECT_TRUE(extension->web_extent().MatchesURL(
-      GURL("http://www.google.com/monkey")));
-}
-
-TEST_F(ExtensionManifestTest, DefaultLocale) {
-  LoadAndExpectError("default_locale_invalid.json",
-                     errors::kInvalidDefaultLocale);
-
-  scoped_refptr<extensions::Extension> extension(
-      LoadAndExpectSuccess("default_locale_valid.json"));
-  EXPECT_EQ("de-AT", extension->default_locale());
-}