Convert WindowOpenDisposition to an enum class.

chrome/test/base/in_process_browser_test.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 "chrome/test/base/in_process_browser_test.h"
 
 #include "ash/common/ash_switches.h"
 #include "base/auto_reset.h"
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 369 matching lines @@
 // navigation to tests, which should make sure navigations succeed when
 // appropriate. See https://crbug.com/425335
 void InProcessBrowserTest::AddTabAtIndexToBrowser(
     Browser* browser,
     int index,
     const GURL& url,
     ui::PageTransition transition,
     bool check_navigation_success) {
   chrome::NavigateParams params(browser, url, transition);
   params.tabstrip_index = index;
-  params.disposition = NEW_FOREGROUND_TAB;
+  params.disposition = WindowOpenDisposition::NEW_FOREGROUND_TAB;
   chrome::Navigate(&params);
 
   if (check_navigation_success)
     content::WaitForLoadStop(params.target_contents);
   else
     content::WaitForLoadStopWithoutSuccessCheck(params.target_contents);
 }
 
 void InProcessBrowserTest::AddTabAtIndex(
     int index,
@@ skipping 197 matching lines @@
   // On the Mac, this eventually reaches
   // -[BrowserWindowController windowWillClose:], which will post a deferred
   // -autorelease on itself to ultimately destroy the Browser object. The line
   // below is necessary to pump these pending messages to ensure all Browsers
   // get deleted.
   content::RunAllPendingInMessageLoop();
   delete autorelease_pool_;
   autorelease_pool_ = NULL;
 #endif
 }