Revert of Port HistoryService::GetVisibleVisitCountToHost to CancelableTaskTracker

chrome/browser/download/download_target_determiner.cc

 // Copyright 2013 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_target_determiner.h"
 
 #include "base/prefs/pref_service.h"
 #include "base/rand_util.h"
 #include "base/strings/stringprintf.h"
 #include "base/time/time.h"
@@ skipping 29 matching lines @@
 
 const base::FilePath::CharType kCrdownloadSuffix[] =
     FILE_PATH_LITERAL(".crdownload");
 
 // Condenses the results from HistoryService::GetVisibleVisitCountToHost() to a
 // single bool. A host is considered visited before if prior visible visits were
 // found in history and the first such visit was earlier than the most recent
 // midnight.
 void VisitCountsToVisitedBefore(
     const base::Callback<void(bool)>& callback,
+    HistoryService::Handle unused_handle,
     bool found_visits,
     int count,
     base::Time first_visit) {
   callback.Run(
       found_visits && count > 0 &&
       (first_visit.LocalMidnight() < base::Time::Now().LocalMidnight()));
 }
 
 } // namespace
 
@@ skipping 475 matching lines @@
     // Only need to ping the history DB if the download would be considered safe
     // if there are prior visits and is considered dangerous otherwise.
     if (!IsDangerousFile(VISITED_REFERRER)) {
       // HistoryServiceFactory redirects incognito profiles to on-record
       // profiles.  There's no history for on-record profiles in unit_tests.
       HistoryService* history_service = HistoryServiceFactory::GetForProfile(
           GetProfile(), Profile::EXPLICIT_ACCESS);
 
       if (history_service && download_->GetReferrerUrl().is_valid()) {
         history_service->GetVisibleVisitCountToHost(
-            download_->GetReferrerUrl(),
-            base::Bind(
-                &VisitCountsToVisitedBefore,
-                base::Bind(
-                    &DownloadTargetDeterminer::CheckVisitedReferrerBeforeDone,
-                    weak_ptr_factory_.GetWeakPtr())),
-            &history_tracker_);
+            download_->GetReferrerUrl(), &history_consumer_,
+            base::Bind(&VisitCountsToVisitedBefore, base::Bind(
+                &DownloadTargetDeterminer::CheckVisitedReferrerBeforeDone,
+                weak_ptr_factory_.GetWeakPtr())));
         return QUIT_DOLOOP;
       }
     }
 
     // If the danger level doesn't depend on having visited the refererrer URL
     // or if original profile doesn't have a HistoryService or the referrer url
     // is invalid, then assume the referrer has not been visited before.
     danger_type_ = content::DOWNLOAD_DANGER_TYPE_DANGEROUS_FILE;
   }
   return CONTINUE;
@@ skipping 254 matching lines @@
   // asynchronously.
   new DownloadTargetDeterminer(download, initial_virtual_path, download_prefs,
                                delegate, callback);
 }
 
 // static
 base::FilePath DownloadTargetDeterminer::GetCrDownloadPath(
     const base::FilePath& suggested_path) {
   return base::FilePath(suggested_path.value() + kCrdownloadSuffix);
 }