Move Extension into extensions namespace

chrome/browser/extensions/extension_nacl_browsertest.cc

 // Copyright (c) 2011 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/command_line.h"
 #include "base/file_path.h"
 #include "base/path_service.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/extensions/crx_installer.h"
 #include "chrome/browser/extensions/extension_browsertest.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/common/chrome_paths.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/test/base/ui_test_utils.h"
 #include "content/public/browser/plugin_service.h"
 #include "content/public/browser/web_contents.h"
 #include "webkit/plugins/webplugininfo.h"
 
 using content::PluginService;
 using content::WebContents;
+using extensions::Extension;
 
 namespace {
 
 const char* kExtensionId = "bjjcibdiodkkeanflmiijlcfieiemced";
 
 // This class tests that the Native Client plugin is blocked unless the
 // .nexe is part of an extension from the Chrome Webstore.
 class NaClExtensionTest : public ExtensionBrowserTest {
  public:
   NaClExtensionTest() {
@@ skipping 110 matching lines @@
 IN_PROC_BROWSER_TEST_F(NaClExtensionTest, UnpackedExtension) {
   ASSERT_TRUE(test_server()->Start());
 
   const Extension* extension = InstallExtension(INSTALL_TYPE_UNPACKED);
   ASSERT_TRUE(extension);
   ASSERT_EQ(extension->location(), Extension::LOAD);
   CheckPluginsCreated(extension, true);
 }
 
 }  // namespace