Revert of Port HistoryService::GetVisibleVisitCountToHost to CancelableTaskTracker

chrome/browser/ssl/ssl_blocking_page.cc

Index: chrome/browser/ssl/ssl_blocking_page.cc
diff --git a/chrome/browser/ssl/ssl_blocking_page.cc b/chrome/browser/ssl/ssl_blocking_page.cc
index 212172ec99332601943cc076b03fa3d64b1f62f9..d0d95b8f5e744a3b3f0981549be09553bfe39b42 100644
--- a/chrome/browser/ssl/ssl_blocking_page.cc
+++ b/chrome/browser/ssl/ssl_blocking_page.cc
@@ -295,9 +295,9 @@
     if (history_service) {
       history_service->GetVisibleVisitCountToHost(
           request_url_,
+          &request_consumer_,
           base::Bind(&SSLBlockingPage::OnGotHistoryCount,
-                     base::Unretained(this)),
-          &request_tracker_);
+                    base::Unretained(this)));
     }
   }
 
@@ -722,7 +722,8 @@
   }
 }
 
-void SSLBlockingPage::OnGotHistoryCount(bool success,
+void SSLBlockingPage::OnGotHistoryCount(HistoryService::Handle handle,
+                                        bool success,
                                         int num_visits,
                                         base::Time first_visit) {
   num_visits_ = num_visits;