Convert WindowOpenDisposition to an enum class.

chrome/browser/extensions/api/web_request/web_request_apitest.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 "base/command_line.h"
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
 #include "base/strings/stringprintf.h"
 #include "build/build_config.h"
 #include "chrome/browser/chrome_notification_types.h"
@@ skipping 524 matching lines @@
   ExtensionTestMessageListener listener("ready", false);
   const Extension* extension =
       LoadExtension(test_data_dir_.AppendASCII("webrequest_activetab"));
   ASSERT_TRUE(extension) << message_;
   EXPECT_TRUE(listener.WaitUntilSatisfied());
 
   // Navigate the browser to a page in a new tab.
   const std::string kHost = "example.com";
   GURL url = embedded_test_server()->GetURL(kHost, "/empty.html");
   chrome::NavigateParams params(browser(), url, ui::PAGE_TRANSITION_LINK);
-  params.disposition = NEW_FOREGROUND_TAB;
+  params.disposition = WindowOpenDisposition::NEW_FOREGROUND_TAB;
   ui_test_utils::NavigateToURL(&params);
 
   content::WebContents* web_contents =
       browser()->tab_strip_model()->GetActiveWebContents();
   ASSERT_TRUE(web_contents);
   ExtensionActionRunner* runner =
       ExtensionActionRunner::GetForWebContents(web_contents);
   ASSERT_TRUE(runner);
 
   int port = embedded_test_server()->port();
@@ skipping 32 matching lines @@
   ASSERT_TRUE(granter);
   granter->RevokeForTesting();
   base::RunLoop().RunUntilIdle();
   PerformXhrInPage(web_contents, kHost, port, kXhrPath);
   EXPECT_EQ(xhr_count,
             GetWebRequestCountFromBackgroundPage(extension, profile()));
   EXPECT_EQ(BLOCKED_ACTION_WEB_REQUEST, runner->GetBlockedActions(extension));
 }
 
 }  // namespace extensions