Convert WindowOpenDisposition to an enum class.

chrome/browser/ui/zoom/zoom_controller_browsertest.cc

Index: chrome/browser/ui/zoom/zoom_controller_browsertest.cc
diff --git a/chrome/browser/ui/zoom/zoom_controller_browsertest.cc b/chrome/browser/ui/zoom/zoom_controller_browsertest.cc
index 6d5f993895cb8b97b89c02ea0e292177fadd6abe..d0d8ea33a8c492f3e1605ef478a76dedcdfd71b9 100644
--- a/chrome/browser/ui/zoom/zoom_controller_browsertest.cc
+++ b/chrome/browser/ui/zoom/zoom_controller_browsertest.cc
@@ -180,7 +180,7 @@ IN_PROC_BROWSER_TEST_F(ZoomControllerBrowserTest,
   ASSERT_TRUE(tab_strip);
 
   ui_test_utils::NavigateToURLWithDisposition(
-      browser(), url, NEW_FOREGROUND_TAB,
+      browser(), url, WindowOpenDisposition::NEW_FOREGROUND_TAB,
       ui_test_utils::BROWSER_TEST_WAIT_FOR_NAVIGATION);
   {
     content::WebContents* web_contents = tab_strip->GetActiveWebContents();
@@ -286,7 +286,7 @@ IN_PROC_BROWSER_TEST_F(ZoomControllerBrowserTest,
   // signin page, the HostZoomMap changes, and we need to test that the
   // ZoomController correctly detects this.
   ui_test_utils::NavigateToURLWithDisposition(
-      browser(), signin_url, NEW_FOREGROUND_TAB,
+      browser(), signin_url, WindowOpenDisposition::NEW_FOREGROUND_TAB,
       ui_test_utils::BROWSER_TEST_WAIT_FOR_NAVIGATION);
   login_ui_test_utils::WaitUntilUIReady(browser());
   content::WebContents* web_contents =