Convert WindowOpenDisposition to an enum class.

chrome/browser/ui/pdf/pdf_unsupported_feature.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/pdf/pdf_unsupported_feature.h"
 
 #include <memory>
 #include <utility>
 
 #include "base/bind.h"
@@ skipping 110 matching lines @@
 base::string16 PDFEnableAdobeReaderPromptClient::GetCancelButtonText() const {
   return l10n_util::GetStringUTF16(IDS_DONE);
 }
 
 base::string16 PDFEnableAdobeReaderPromptClient::GetMessageText() const {
   return l10n_util::GetStringUTF16(IDS_PDF_INFOBAR_QUESTION_ALWAYS_USE_READER);
 }
 
 // Launch the url to get the latest Adbobe Reader installer.
 void OpenReaderUpdateURL(WebContents* web_contents) {
-  OpenURLParams params(
-      GURL(kAdobeReaderUpdateUrl), Referrer(), NEW_FOREGROUND_TAB,
-      ui::PAGE_TRANSITION_LINK, false);
+  OpenURLParams params(GURL(kAdobeReaderUpdateUrl), Referrer(),
+                       WindowOpenDisposition::NEW_FOREGROUND_TAB,
+                       ui::PAGE_TRANSITION_LINK, false);
   web_contents->OpenURL(params);
 }
 
 // Opens the PDF using Adobe Reader.
 void OpenUsingReader(WebContents* web_contents,
                      const WebPluginInfo& reader_plugin,
                      pdf::OpenPDFInReaderPromptClient* client) {
   ChromePluginServiceFilter::GetInstance()->OverridePluginForFrame(
       web_contents->GetRenderProcessHost()->GetID(),
       web_contents->GetMainFrame()->GetRoutingID(),
@@ skipping 213 matching lines @@
     MaybeShowOpenPDFInReaderPrompt(web_contents, reader_info);
     return;
   }
   GetAdobeReaderPluginInfoAsync(
       profile,
       base::Bind(&GotPluginsCallback,
                  web_contents->GetRenderProcessHost()->GetID(),
                  web_contents->GetRenderViewHost()->GetRoutingID()));
 #endif  // defined(OS_WIN)
 }