Fix incorrect |main_frame_url_| parameter to BaseBlockingPage

chrome/browser/safe_browsing/safe_browsing_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.
 //
 // Implementation of the SafeBrowsingBlockingPage class.
 
 #include "chrome/browser/safe_browsing/safe_browsing_blocking_page.h"
 
 #include "base/lazy_instance.h"
 #include "chrome/browser/history/history_service_factory.h"
@@ skipping 88 matching lines @@
 
 SafeBrowsingBlockingPage::SafeBrowsingBlockingPage(
     BaseUIManager* ui_manager,
     WebContents* web_contents,
     const GURL& main_frame_url,
     const UnsafeResourceList& unsafe_resources,
     const SafeBrowsingErrorUI::SBErrorDisplayOptions& display_options)
     : BaseBlockingPage(
           ui_manager,
           web_contents,
-          unsafe_resources[0].url,
+          main_frame_url,
           unsafe_resources,
           CreateControllerClient(web_contents, unsafe_resources, ui_manager),
           display_options) {
   // Start computing threat details. They will be sent only
   // if the user opts-in on the blocking page later.
   // If there's more than one malicious resources, it means the user
   // clicked through the first warning, so we don't prepare additional
   // reports.
   if (unsafe_resources.size() == 1 &&
       ShouldReportThreatDetails(unsafe_resources[0].threat_type) &&
@@ skipping 149 matching lines @@
           web_contents, unsafe_resources[0].url,
           GetReportingInfo(unsafe_resources),
           GetSamplingEventName(GetInterstitialReason(unsafe_resources)));
 
   return base::MakeUnique<SecurityInterstitialControllerClient>(
       web_contents, std::move(metrics_helper), profile->GetPrefs(),
       ui_manager->app_locale(), ui_manager->default_safe_page());
 }
 
 }  // namespace safe_browsing