Convert WindowOpenDisposition to an enum class.

chrome/browser/extensions/webstore_inline_installer_browsertest.cc

 // Copyright 2013 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/browser/extensions/webstore_inline_installer.h"
 
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/content_settings/host_content_settings_map_factory.h"
@@ skipping 339 matching lines @@
   // Rinse and repeat: uninstall the extension, open a new tab, and install it
   // again. Regression test for crbug.com/613949.
   extension_service()->UninstallExtension(
       kTestExtensionId, UNINSTALL_REASON_FOR_TESTING,
       base::Bind(&base::DoNothing), nullptr);
   base::RunLoop().RunUntilIdle();
   EXPECT_FALSE(registry->enabled_extensions().GetByID(kTestExtensionId));
   int old_tab_index = browser()->tab_strip_model()->active_index();
   ui_test_utils::NavigateToURLWithDisposition(
       browser(), GenerateTestServerUrl(kAppDomain, "both_listeners.html"),
-      NEW_FOREGROUND_TAB, ui_test_utils::BROWSER_TEST_WAIT_FOR_NAVIGATION);
+      WindowOpenDisposition::NEW_FOREGROUND_TAB,
+      ui_test_utils::BROWSER_TEST_WAIT_FOR_NAVIGATION);
   DCHECK_NE(old_tab_index, browser()->tab_strip_model()->active_index());
   browser()->tab_strip_model()->CloseWebContentsAt(old_tab_index,
                                                    TabStripModel::CLOSE_NONE);
   WebstoreInstallerTest::RunTest("runTest");
   EXPECT_TRUE(registry->enabled_extensions().GetByID(kTestExtensionId));
 }
 
 }  // namespace extensions