Move Extension into extensions namespace

chrome/browser/ui/startup/startup_browser_creator_browsertest.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/command_line.h"
 #include "base/file_path.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/extensions/extension_browsertest.h"
 #include "chrome/browser/extensions/extension_service.h"
@@ skipping 13 matching lines @@
 #include "chrome/browser/ui/startup/startup_browser_creator_impl.h"
 #include "chrome/browser/ui/tab_contents/tab_contents_wrapper.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/common/url_constants.h"
 #include "chrome/test/base/in_process_browser_test.h"
 #include "chrome/test/base/ui_test_utils.h"
 #include "content/public/browser/web_contents.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
+using extensions::Extension;
+
 class StartupBrowserCreatorTest : public ExtensionBrowserTest {
  protected:
   virtual bool SetUpUserDataDirectory() OVERRIDE {
     // Make sure the first run sentinel file exists before running these tests,
     // since some of them customize the session startup pref whose value can
     // be different than the default during the first run.
     // TODO(bauerb): set the first run flag instead of creating a sentinel file.
     first_run::CreateSentinel();
     return ExtensionBrowserTest::SetUpUserDataDirectory();
   }
@@ skipping 638 matching lines @@
   ASSERT_EQ(1u, browser::GetBrowserCount(profile_urls));
   new_browser = FindOneOtherBrowserForProfile(profile_urls, NULL);
   ASSERT_TRUE(new_browser);
   ASSERT_EQ(1, new_browser->tab_count());
   EXPECT_EQ(GURL(chrome::kChromeUINewTabURL),
             new_browser->GetWebContentsAt(0)->GetURL());
   EXPECT_EQ(1U, new_browser->GetTabContentsWrapperAt(0)->infobar_tab_helper()->
             infobar_count());
 }
 #endif  // !OS_CHROMEOS