Make NavigationEntry and friends use content::Referrer instead of plain URLs

chrome/browser/safe_browsing/safe_browsing_service.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/safe_browsing/safe_browsing_service.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/callback.h"
 #include "base/command_line.h"
@@ skipping 1038 matching lines @@
                  this, resources, false));
     return;
   }
 
   if (resource.threat_type != SafeBrowsingService::SAFE &&
       CanReportStats()) {
     GURL page_url = tab_contents->GetURL();
     GURL referrer_url;
     NavigationEntry* entry = tab_contents->controller().GetActiveEntry();
     if (entry)
-      referrer_url = entry->referrer();
+      referrer_url = entry->referrer().url;
 
     // When the malicious url is on the main frame, and resource.original_url
     // is not the same as the resource.url, that means we have a redirect from
     // resource.original_url to resource.url.
     // Also, at this point, page_url points to the _previous_ page that we
     // were on. We replace page_url with resource.original_url and referrer
     // with page_url.
     if (!resource.is_subresource &&
         !resource.original_url.is_empty() &&
         resource.original_url != resource.url) {
@@ skipping 282 matching lines @@
     Stop();
 
   if (csd_service_.get())
     csd_service_->SetEnabledAndRefreshState(enable);
   if (download_service_.get()) {
     download_service_->SetEnabled(
         enable && !CommandLine::ForCurrentProcess()->HasSwitch(
             switches::kDisableImprovedDownloadProtection));
   }
 }