Convert WindowOpenDisposition to an enum class.

chrome/test/media_router/media_router_integration_browsertest.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 "chrome/test/media_router/media_router_integration_browsertest.h"
 
 #include "base/bind.h"
 #include "base/files/file_util.h"
 #include "base/json/json_file_value_serializer.h"
 #include "base/json/json_reader.h"
@@ skipping 134 matching lines @@
 void MediaRouterIntegrationBrowserTest::OpenTestPage(
     base::FilePath::StringPieceType file_name) {
   base::FilePath full_path = GetResourceFile(file_name);
   ui_test_utils::NavigateToURL(browser(), net::FilePathToFileURL(full_path));
 }
 
 void MediaRouterIntegrationBrowserTest::OpenTestPageInNewTab(
     base::FilePath::StringPieceType file_name) {
   base::FilePath full_path = GetResourceFile(file_name);
   ui_test_utils::NavigateToURLWithDisposition(
-      browser(), net::FilePathToFileURL(full_path), NEW_FOREGROUND_TAB,
+      browser(), net::FilePathToFileURL(full_path),
+      WindowOpenDisposition::NEW_FOREGROUND_TAB,
       ui_test_utils::BROWSER_TEST_WAIT_FOR_NAVIGATION);
 }
 
 void MediaRouterIntegrationBrowserTest::StartSession(
     content::WebContents* web_contents) {
   test_navigation_observer_.reset(
       new content::TestNavigationObserver(web_contents, 1));
   test_navigation_observer_->StartWatchingNewWebContents();
   ExecuteJavaScriptAPI(web_contents, kStartSessionScript);
   test_navigation_observer_->Wait();
@@ skipping 431 matching lines @@
 
   MediaRouterDialogControllerImpl* controller =
       MediaRouterDialogControllerImpl::GetOrCreateForWebContents(web_contents);
   EXPECT_TRUE(controller->IsShowingMediaRouterDialog());
   WaitUntilSinkDiscoveredOnUI();
   controller->HideMediaRouterDialog();
   CheckStartFailed(web_contents, "NotFoundError", "No screens found.");
 }
 
 }  // namespace media_router