Add custom interstitial for captive portals.

chrome/browser/ssl/ssl_blocking_page.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/ssl/ssl_blocking_page.h"
 
 #include "base/build_time.h"
 #include "base/command_line.h"
 #include "base/i18n/rtl.h"
 #include "base/i18n/time_formatting.h"
@@ skipping 313 matching lines @@
 SSLBlockingPage::SSLBlockingPage(content::WebContents* web_contents,
                                  int cert_error,
                                  const net::SSLInfo& ssl_info,
                                  const GURL& request_url,
                                  int options_mask,
                                  const base::Callback<void(bool)>& callback)
     : SecurityInterstitialPage(web_contents, request_url),
       callback_(callback),
       cert_error_(cert_error),
       ssl_info_(ssl_info),
-      overridable_(options_mask & OVERRIDABLE &&
-                   !(options_mask & STRICT_ENFORCEMENT)),
+      overridable_(IsOptionsOverridable(options_mask)),
       danger_overridable_(true),
       strict_enforcement_((options_mask & STRICT_ENFORCEMENT) != 0),
       internal_(false),
       num_visits_(-1),
       expired_but_previously_allowed_(
           (options_mask & EXPIRED_BUT_PREVIOUSLY_ALLOWED) != 0) {
   Profile* profile = Profile::FromBrowserContext(
       web_contents->GetBrowserContext());
   // For UMA stats.
   if (SSLErrorClassification::IsHostnameNonUniqueOrDotless(
@@ skipping 368 matching lines @@
   };
   int i;
   for (i = 0; i < static_cast<int>(extra_info.size()); i++) {
     strings->SetString(keys[i], extra_info[i]);
   }
   for (; i < 5; i++) {
     strings->SetString(keys[i], std::string());
   }
 }
 
+// static
+bool SSLBlockingPage::IsOptionsOverridable(int options_mask) {
+  return (options_mask & SSLBlockingPage::OVERRIDABLE) &&
+         !(options_mask & SSLBlockingPage::STRICT_ENFORCEMENT);
+}
+
 void SSLBlockingPage::OnGotHistoryCount(bool success,
                                         int num_visits,
                                         base::Time first_visit) {
   num_visits_ = num_visits;
 }