Move Extension into extensions namespace

chrome/common/extensions/extension_permission_set_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/extension_permission_set.h"
 
 #include "base/command_line.h"
 #include "base/json/json_file_value_serializer.h"
 #include "base/logging.h"
 #include "base/path_service.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/common/chrome_paths.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/extensions/extension.h"
 #include "chrome/common/extensions/extension_manifest_constants.h"
 #include "chrome/common/extensions/extension_error_utils.h"
 #include "chrome/common/extensions/extension_permission_set.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
+using extensions::Extension;
+
 namespace errors = extension_manifest_errors;
 namespace keys = extension_manifest_keys;
 namespace values = extension_manifest_values;
 namespace {
 
 static scoped_refptr<Extension> LoadManifest(const std::string& dir,
                                              const std::string& test_file,
                                              int extra_flags) {
   FilePath path;
   PathService::Get(chrome::DIR_TEST_DATA, &path);
@@ skipping 1067 matching lines @@
   AddPattern(&non_empty_extent, "http://www.google.com/*");
 
   perm_set = new ExtensionPermissionSet(
       empty_apis, non_empty_extent, empty_extent);
   EXPECT_FALSE(perm_set->IsEmpty());
 
   perm_set = new ExtensionPermissionSet(
       empty_apis, empty_extent, non_empty_extent);
   EXPECT_FALSE(perm_set->IsEmpty());
 }