Convert WindowOpenDisposition to an enum class.

chrome/browser/ui/chrome_pages.cc

 // Copyright (c) 2012 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/chrome_pages.h"
 
 #include <stddef.h>
 
 #include "base/command_line.h"
 #include "base/logging.h"
@@ skipping 86 matching lines @@
       break;
     case HELP_SOURCE_MENU:
       app_launch_source = extensions::SOURCE_SYSTEM_TRAY;
       break;
     case HELP_SOURCE_WEBUI:
       app_launch_source = extensions::SOURCE_ABOUT_PAGE;
       break;
     default:
       NOTREACHED() << "Unhandled help source" << source;
   }
-  OpenApplication(
-      AppLaunchParams(profile, extension,
-                      extensions::GetLaunchContainer(
-                          extensions::ExtensionPrefs::Get(profile), extension),
-                      NEW_FOREGROUND_TAB, app_launch_source, true));
+  OpenApplication(AppLaunchParams(
+      profile, extension,
+      extensions::GetLaunchContainer(extensions::ExtensionPrefs::Get(profile),
+                                     extension),
+      WindowOpenDisposition::NEW_FOREGROUND_TAB, app_launch_source, true));
 #else
   GURL url;
   switch (source) {
     case HELP_SOURCE_KEYBOARD:
       url = GURL(kChromeHelpViaKeyboardURL);
       break;
     case HELP_SOURCE_MENU:
       url = GURL(kChromeHelpViaMenuURL);
       break;
     case HELP_SOURCE_WEBUI:
@@ skipping 276 matching lines @@
       SigninManagerFactory::GetForProfile(original_profile);
   DCHECK(manager->IsSigninAllowed());
   if (manager->IsAuthenticated())
     ShowSettings(browser);
   else
     ShowBrowserSignin(browser, access_point);
 }
 #endif
 
 }  // namespace chrome