Convert WindowOpenDisposition to an enum class.

chrome/browser/extensions/extension_context_menu_model.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/extensions/extension_context_menu_model.h"
 
 #include "base/macros.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/app/chrome_command_ids.h"
 #include "chrome/browser/extensions/context_menu_matcher.h"
@@ skipping 226 matching lines @@
       command_id <= IDC_EXTENSIONS_CONTEXT_CUSTOM_LAST) {
     DCHECK(extension_items_);
     extension_items_->ExecuteCommand(command_id, GetActiveWebContents(),
                                      nullptr, content::ContextMenuParams());
     return;
   }
 
   switch (command_id) {
     case NAME: {
       content::OpenURLParams params(ManifestURL::GetHomepageURL(extension),
-                                    content::Referrer(), NEW_FOREGROUND_TAB,
+                                    content::Referrer(),
+                                    WindowOpenDisposition::NEW_FOREGROUND_TAB,
                                     ui::PAGE_TRANSITION_LINK, false);
       browser_->OpenURL(params);
       break;
     }
     case CONFIGURE:
       DCHECK(OptionsPageInfo::HasOptionsPage(extension));
       ExtensionTabUtil::OpenOptionsPage(extension, browser_);
       break;
     case TOGGLE_VISIBILITY: {
       bool currently_visible = button_visibility_ == VISIBLE;
@@ skipping 198 matching lines @@
     if (runner && runner->WantsToRun(extension))
       runner->RunBlockedActions(extension);
   }
 }
 
 content::WebContents* ExtensionContextMenuModel::GetActiveWebContents() const {
   return browser_->tab_strip_model()->GetActiveWebContents();
 }
 
 }  // namespace extensions