Convert WindowOpenDisposition to an enum class.

chrome/browser/extensions/renderer_initialization_browsertest.cc

Index: chrome/browser/extensions/renderer_initialization_browsertest.cc
diff --git a/chrome/browser/extensions/renderer_initialization_browsertest.cc b/chrome/browser/extensions/renderer_initialization_browsertest.cc
index 63fbe88a3c50287fa668b4ad642e38c08345a9d9..139e9395ee17e550cd64cbd9a963626f1495c173 100644
--- a/chrome/browser/extensions/renderer_initialization_browsertest.cc
+++ b/chrome/browser/extensions/renderer_initialization_browsertest.cc
@@ -23,9 +23,9 @@ IN_PROC_BROWSER_TEST_F(ExtensionBrowserTest,
       LoadExtension(test_data_dir_.AppendASCII("simple_with_file"));
   ASSERT_TRUE(extension);
   GURL url = extension->GetResourceURL("file.html");
-  browser()->OpenURL(content::OpenURLParams(url, content::Referrer(),
-                                            NEW_FOREGROUND_TAB,
-                                            ui::PAGE_TRANSITION_TYPED, false));
+  browser()->OpenURL(content::OpenURLParams(
+      url, content::Referrer(), WindowOpenDisposition::NEW_FOREGROUND_TAB,
+      ui::PAGE_TRANSITION_TYPED, false));
   // Without waiting for the tab to finish, unload the extension.
   extension_service()->UnloadExtension(extension->id(),
                                        UnloadedExtensionInfo::REASON_TERMINATE);