Convert WindowOpenDisposition to an enum class.

components/omnibox/browser/omnibox_edit_unittest.cc

Index: components/omnibox/browser/omnibox_edit_unittest.cc
diff --git a/components/omnibox/browser/omnibox_edit_unittest.cc b/components/omnibox/browser/omnibox_edit_unittest.cc
index 15cfb3f2c44ff47a9110ed88fd45f6d773d27652..1d4f5d034b10512fbe0191578b1d7c0319eaa1bc 100644
--- a/components/omnibox/browser/omnibox_edit_unittest.cc
+++ b/components/omnibox/browser/omnibox_edit_unittest.cc
@@ -383,14 +383,14 @@ TEST_F(OmniboxEditTest, AlternateNavHasHTTP) {
 
   model()->OnSetFocus(false);  // Avoids DCHECK in OpenMatch().
   model()->SetUserText(base::ASCIIToUTF16("http://ab cd"));
-  model()->OpenMatch(match, CURRENT_TAB, alternate_nav_url, base::string16(),
-                     0);
+  model()->OpenMatch(match, WindowOpenDisposition::CURRENT_TAB,
+                     alternate_nav_url, base::string16(), 0);
   EXPECT_TRUE(AutocompleteInput::HasHTTPScheme(
       client->alternate_nav_match().fill_into_edit));
 
   model()->SetUserText(base::ASCIIToUTF16("ab cd"));
-  model()->OpenMatch(match, CURRENT_TAB, alternate_nav_url, base::string16(),
-                     0);
+  model()->OpenMatch(match, WindowOpenDisposition::CURRENT_TAB,
+                     alternate_nav_url, base::string16(), 0);
   EXPECT_TRUE(AutocompleteInput::HasHTTPScheme(
       client->alternate_nav_match().fill_into_edit));
 }