Include full redirect chain in downloads safebrowsing ping.

chrome/browser/download/download_safe_browsing_client.cc

 // Copyright (c) 2011 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/download/download_safe_browsing_client.h"
 
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/metrics/histogram.h"
@@ skipping 140 matching lines @@
     UpdateDownloadCheckStats(DOWNLOAD_HASH_CHECKS_TOTAL);
     if (is_dangerous) {
       UpdateDownloadCheckStats(DOWNLOAD_HASH_CHECKS_MALWARE);
       ReportMalware(result);
     }
   }
 }
 
 void DownloadSBClient::ReportMalware(
     SafeBrowsingService::UrlCheckResult result) {
-  sb_service_->ReportSafeBrowsingHit(url_chain_.back(),  // malicious_url
-                                     url_chain_.front(), // page_url
-                                     referrer_url_,
-                                     true,
-                                     result);
+  sb_service_->ReportSafeBrowsingHitWithChain(url_chain_,
+                                              referrer_url_,
+                                              true,
+                                              result);
 }
 
 void DownloadSBClient::UpdateDownloadCheckStats(SBStatsType stat_type) {
   UMA_HISTOGRAM_ENUMERATION("SB2.DownloadChecks",
                             stat_type,
                             DOWNLOAD_CHECKS_MAX);
 }