Convert WindowOpenDisposition to an enum class.

chrome/browser/devtools/devtools_sanity_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 <stddef.h>
 
 #include <memory>
 
 #include "base/bind.h"
 #include "base/cancelable_callback.h"
@@ skipping 1172 matching lines @@
     OpenDevToolsWindow("about:blank", false);
     SwitchToPanel(window_, panel_name);
     ui_test_utils::NavigateToURL(browser(), GURL(url::kAboutBlankURL));
 
     content::RenderProcessHostWatcher crash_observer(
         GetInspectedTab(),
         content::RenderProcessHostWatcher::WATCH_FOR_PROCESS_EXIT);
     ui_test_utils::NavigateToURL(browser(), GURL(content::kChromeUICrashURL));
     crash_observer.Wait();
     content::TestNavigationObserver navigation_observer(GetInspectedTab(), 1);
-    chrome::Reload(browser(), CURRENT_TAB);
+    chrome::Reload(browser(), WindowOpenDisposition::CURRENT_TAB);
     navigation_observer.Wait();
   }
 };
 
 IN_PROC_BROWSER_TEST_F(DevToolsReattachAfterCrashTest,
                        TestReattachAfterCrashOnTimeline) {
   RunTestWithPanel("timeline");
 }
 
 IN_PROC_BROWSER_TEST_F(DevToolsReattachAfterCrashTest,
@@ skipping 230 matching lines @@
   test_factory.AddFactoryOverride(GURL("chrome://dummyurl").host(),
                                   &mock_provider);
   content::WebUIControllerFactory::RegisterFactory(&test_factory);
 
   ui_test_utils::NavigateToURL(browser(), GURL("chrome://dummyurl"));
   DevToolsWindow* window =
       DevToolsWindowTesting::OpenDevToolsWindowSync(GetInspectedTab(), true);
   chrome::DuplicateTab(browser());
   chrome::SelectPreviousTab(browser());
   ui_test_utils::NavigateToURL(browser(), GURL("about:blank"));
-  chrome::GoBack(browser(), CURRENT_TAB);
+  chrome::GoBack(browser(), WindowOpenDisposition::CURRENT_TAB);
   RunTestFunction(window, "testWindowInitializedOnNavigateBack");
 
   DevToolsWindowTesting::CloseDevToolsWindowSync(window);
   content::WebUIControllerFactory::UnregisterFactoryForTesting(&test_factory);
 }