Convert WindowOpenDisposition to an enum class.

chrome/browser/plugins/plugin_installer.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/plugins/plugin_installer.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 113 matching lines @@
     return;
   }
   item->SetOpenWhenComplete(true);
   item->AddObserver(this);
 }
 
 void PluginInstaller::OpenDownloadURL(const GURL& plugin_url,
                                       content::WebContents* web_contents) {
   DCHECK_EQ(INSTALLER_STATE_IDLE, state_);
   web_contents->OpenURL(content::OpenURLParams(
-      plugin_url,
-      content::Referrer(web_contents->GetURL(),
-                        blink::WebReferrerPolicyDefault),
-      NEW_FOREGROUND_TAB, ui::PAGE_TRANSITION_TYPED, false));
+      plugin_url, content::Referrer(web_contents->GetURL(),
+                                    blink::WebReferrerPolicyDefault),
+      WindowOpenDisposition::NEW_FOREGROUND_TAB, ui::PAGE_TRANSITION_TYPED,
+      false));
   FOR_EACH_OBSERVER(PluginInstallerObserver, observers_, DownloadFinished());
 }
 
 void PluginInstaller::DownloadError(const std::string& msg) {
   DCHECK_EQ(INSTALLER_STATE_DOWNLOADING, state_);
   state_ = INSTALLER_STATE_IDLE;
   FOR_EACH_OBSERVER(PluginInstallerObserver, observers_, DownloadError(msg));
 }
 
 void PluginInstaller::DownloadCancelled() {
   DCHECK_EQ(INSTALLER_STATE_DOWNLOADING, state_);
   state_ = INSTALLER_STATE_IDLE;
   FOR_EACH_OBSERVER(PluginInstallerObserver, observers_, DownloadCancelled());
 }