Support interstitials with no primary button

chrome/browser/ssl/captive_portal_blocking_page.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/ssl/captive_portal_blocking_page.h"
 
 #include <utility>
 
 #include "base/i18n/rtl.h"
 #include "base/memory/ptr_util.h"
@@ skipping 129 matching lines @@
   // opposed to SafeBrowsing subresource interstitials which just block access
   // to the current page and don't create a new entry.
   return true;
 }
 
 void CaptivePortalBlockingPage::PopulateInterstitialStrings(
     base::DictionaryValue* load_time_data) {
   load_time_data->SetString("iconClass", "icon-offline");
   load_time_data->SetString("type", "CAPTIVE_PORTAL");
   load_time_data->SetBoolean("overridable", false);
+  load_time_data->SetBoolean("hide_primary_button", false);
 
   // |IsWifiConnection| isn't accurate on some platforms, so always try to get
   // the Wi-Fi SSID even if |IsWifiConnection| is false.
   std::string wifi_ssid = GetWiFiSSID();
   bool is_wifi = !wifi_ssid.empty() || IsWifiConnection();
 
   load_time_data->SetString(
       "primaryButtonText",
       l10n_util::GetStringUTF16(IDS_CAPTIVE_PORTAL_BUTTON_OPEN_LOGIN_PAGE));
 
@@ skipping 113 matching lines @@
         certificate_reporting::ErrorReport::USER_DID_NOT_PROCEED);
   }
 
   // Need to explicity deny the certificate via the callback, otherwise memory
   // is leaked.
   if (!callback_.is_null()) {
     callback_.Run(content::CERTIFICATE_REQUEST_RESULT_TYPE_CANCEL);
     callback_.Reset();
   }
 }