Port HistoryService::GetVisibleVisitCountToHost to CancelableTaskTracker

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 277 matching lines @@
   RecordSSLBlockingPageEventStats(SHOW_ALL);
   if (overridable_ && !strict_enforcement_) {
     RecordSSLBlockingPageEventStats(SHOW_OVERRIDABLE);
     if (internal_)
       RecordSSLBlockingPageEventStats(SHOW_INTERNAL_HOSTNAME);
     HistoryService* history_service = HistoryServiceFactory::GetForProfile(
         profile, Profile::EXPLICIT_ACCESS);
     if (history_service) {
       history_service->GetVisibleVisitCountToHost(
           request_url_,
-          &request_consumer_,
           base::Bind(&SSLBlockingPage::OnGotHistoryCount,
-                    base::Unretained(this)));
+                     base::Unretained(this)),
+          &request_tracker_);
     }
   }
 
 #if defined(ENABLE_CAPTIVE_PORTAL_DETECTION)
   CaptivePortalService* captive_portal_service =
       CaptivePortalServiceFactory::GetForProfile(profile);
   captive_portal_detection_enabled_ = captive_portal_service ->enabled();
   captive_portal_service ->DetectCaptivePortal();
   registrar_.Add(this,
                  chrome::NOTIFICATION_CAPTIVE_PORTAL_CHECK_RESULT,
@@ skipping 404 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());
   }
 }
 
-void SSLBlockingPage::OnGotHistoryCount(HistoryService::Handle handle,
-                                        bool success,
+void SSLBlockingPage::OnGotHistoryCount(bool success,
                                         int num_visits,
                                         base::Time first_visit) {
   num_visits_ = num_visits;
 }
 
 void SSLBlockingPage::Observe(
     int type,
     const content::NotificationSource& source,
     const content::NotificationDetails& details) {
 #if defined(ENABLE_CAPTIVE_PORTAL_DETECTION)
@@ skipping 16 matching lines @@
     // sure we don't clear the captive portal flag, since the interstitial was
     // potentially caused by the captive portal.
     captive_portal_detected_ = captive_portal_detected_ ||
         (results->result == captive_portal::RESULT_BEHIND_CAPTIVE_PORTAL);
     // Also keep track of non-HTTP portals and error cases.
     captive_portal_no_response_ = captive_portal_no_response_ ||
         (results->result == captive_portal::RESULT_NO_RESPONSE);
   }
 #endif
 }