Convert WindowOpenDisposition to an enum class.

chrome/browser/ui/extensions/app_launch_params.cc

 // Copyright 2014 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/browser/ui/extensions/app_launch_params.h"
 
 #include "base/memory/ptr_util.h"
 #include "chrome/browser/extensions/launch_util.h"
 #include "chrome/browser/profiles/profile.h"
 #include "extensions/browser/extension_prefs.h"
@@ skipping 53 matching lines @@
 AppLaunchParams CreateAppLaunchParamsWithEventFlags(
     Profile* profile,
     const extensions::Extension* extension,
     int event_flags,
     extensions::AppLaunchSource source) {
   WindowOpenDisposition raw_disposition =
       ui::DispositionFromEventFlags(event_flags);
 
   extensions::LaunchContainer container;
   WindowOpenDisposition disposition;
-  if (raw_disposition == NEW_FOREGROUND_TAB ||
-      raw_disposition == NEW_BACKGROUND_TAB) {
+  if (raw_disposition == WindowOpenDisposition::NEW_FOREGROUND_TAB ||
+      raw_disposition == WindowOpenDisposition::NEW_BACKGROUND_TAB) {
     container = extensions::LAUNCH_CONTAINER_TAB;
     disposition = raw_disposition;
-  } else if (raw_disposition == NEW_WINDOW) {
+  } else if (raw_disposition == WindowOpenDisposition::NEW_WINDOW) {
     container = extensions::LAUNCH_CONTAINER_WINDOW;
     disposition = raw_disposition;
   } else {
     // Look at preference to find the right launch container.  If no preference
     // is set, launch as a regular tab.
     container =
         extensions::GetLaunchContainer(ExtensionPrefs::Get(profile), extension);
-    disposition = NEW_FOREGROUND_TAB;
+    disposition = WindowOpenDisposition::NEW_FOREGROUND_TAB;
   }
   return AppLaunchParams(profile, extension, container, disposition, source);
 }