Convert WindowOpenDisposition to an enum class.

chrome/browser/extensions/api/certificate_provider/certificate_provider_apitest.cc

 // Copyright 2015 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 <openssl/evp.h>
 #include <openssl/rsa.h>
 #include <stddef.h>
 #include <stdint.h>
 #include <stdlib.h>
 
@@ skipping 167 matching lines @@
   ASSERT_TRUE(catcher.GetNextResult()) << catcher.message();
   VLOG(1) << "Extension registered. Navigate to the test https page.";
 
   content::WebContents* const extension_contents =
       browser()->tab_strip_model()->GetActiveWebContents();
 
   content::TestNavigationObserver navigation_observer(
       nullptr /* no WebContents */);
   navigation_observer.StartWatchingNewWebContents();
   ui_test_utils::NavigateToURLWithDisposition(
-      browser(), https_server.GetURL("client-cert"), NEW_FOREGROUND_TAB,
+      browser(), https_server.GetURL("client-cert"),
+      WindowOpenDisposition::NEW_FOREGROUND_TAB,
       ui_test_utils::BROWSER_TEST_NONE);
 
   content::WebContents* const https_contents =
       browser()->tab_strip_model()->GetActiveWebContents();
 
   VLOG(1) << "Wait for the extension to respond to the certificates request.";
   ASSERT_TRUE(catcher.GetNextResult()) << catcher.message();
 
   VLOG(1) << "Wait for the extension to receive the sign request.";
   ASSERT_TRUE(catcher.GetNextResult()) << catcher.message();
@@ skipping 61 matching lines @@
     base::RunLoop run_loop;
     const std::string code = "replyWithSignatureSecondTime();";
     bool result = false;
     extension_contents->GetMainFrame()->ExecuteJavaScriptForTests(
         base::ASCIIToUTF16(code),
         base::Bind(&StoreBool, &result, run_loop.QuitClosure()));
     run_loop.Run();
     EXPECT_TRUE(result);
   }
 }