Convert WindowOpenDisposition to an enum class.

chrome/browser/net/errorpage_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 <memory>
 #include <utility>
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/compiler_specific.h"
@@ skipping 471 matching lines @@
     EXPECT_EQ(title_watcher.WaitAndGetTitle(),
               base::ASCIIToUTF16(expected_title));
   }
 
   void NavigateHistory(int num_navigations,
                        HistoryNavigationDirection direction) {
     content::TestNavigationObserver test_navigation_observer(
         browser()->tab_strip_model()->GetActiveWebContents(),
         num_navigations);
     if (direction == HISTORY_NAVIGATE_BACK) {
-      chrome::GoBack(browser(), CURRENT_TAB);
+      chrome::GoBack(browser(), WindowOpenDisposition::CURRENT_TAB);
     } else if (direction == HISTORY_NAVIGATE_FORWARD) {
-      chrome::GoForward(browser(), CURRENT_TAB);
+      chrome::GoForward(browser(), WindowOpenDisposition::CURRENT_TAB);
     } else {
       FAIL();
     }
     test_navigation_observer.Wait();
   }
 
   LinkDoctorInterceptor* link_doctor_interceptor_;
 };
 
 class TestFailProvisionalLoadObserver : public content::WebContentsObserver {
@@ skipping 1028 matching lines @@
                        Http09WeirdPortEnabled) {
   const char kHttp09Response[] = "JumboShrimp";
   ASSERT_TRUE(embedded_test_server()->Start());
   ui_test_utils::NavigateToURL(
       browser(), embedded_test_server()->GetURL(std::string("/echo-raw?") +
                                                 kHttp09Response));
   EXPECT_TRUE(IsDisplayingText(browser(), kHttp09Response));
 }
 
 }  // namespace