Move Extension into extensions namespace

chrome/browser/extensions/sandboxed_extension_unpacker_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 "base/file_util.h"
 #include "base/memory/ref_counted.h"
 #include "base/message_loop.h"
 #include "base/path_service.h"
 #include "base/scoped_temp_dir.h"
 #include "base/scoped_temp_dir.h"
 #include "base/string_util.h"
 #include "base/values.h"
 #include "chrome/browser/extensions/sandboxed_extension_unpacker.h"
 #include "chrome/common/chrome_paths.h"
 #include "chrome/common/extensions/extension.h"
 #include "chrome/common/extensions/extension_manifest_constants.h"
 #include "chrome/common/extensions/extension_unpacker.h"
 #include "content/test/test_browser_thread.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 
 namespace errors = extension_manifest_errors;
 namespace keys = extension_manifest_keys;
 
 using content::BrowserThread;
+using extensions::Extension;
 using testing::_;
 using testing::Invoke;
 
 namespace {
 
 void OnUnpackSuccess(const FilePath& temp_dir,
                      const FilePath& extension_root,
                      const DictionaryValue* original_manifest,
                      const Extension* extension) {
   // Don't delete temp_dir here, we need to do some post op checking.
@@ skipping 176 matching lines @@
   OnUnpackSucceeded();
 
   // Check that there is newer _locales/en_US/messages.json file.
   base::PlatformFileInfo new_info;
   EXPECT_TRUE(file_util::GetFileInfo(messages_file, &new_info));
 
   EXPECT_TRUE(new_info.last_modified > old_info.last_modified);
 
   ASSERT_TRUE(TempFilesRemoved());
 }