Revert of Change HistoryService::QueryURL to use CancelableTaskTracker

chrome/browser/safe_browsing/browser_feature_extractor.h

 // 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.
 //
 // BrowserFeatureExtractor computes various browser features for client-side
 // phishing detection.  For now it does a bunch of lookups in the history
 // service to see whether a particular URL has been visited before by the
 // user.
 
 #ifndef CHROME_BROWSER_SAFE_BROWSING_BROWSER_FEATURE_EXTRACTOR_H_
 #define CHROME_BROWSER_SAFE_BROWSING_BROWSER_FEATURE_EXTRACTOR_H_
 
 #include <map>
 #include <set>
 #include <string>
 #include <utility>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/callback.h"
 #include "base/containers/hash_tables.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/sequenced_task_runner_helpers.h"
-#include "base/task/cancelable_task_tracker.h"
 #include "base/time/time.h"
 #include "chrome/browser/common/cancelable_request.h"
 #include "chrome/browser/history/history_types.h"
 #include "chrome/browser/safe_browsing/safe_browsing_service.h"
 #include "chrome/browser/safe_browsing/ui_manager.h"
 #include "url/gurl.h"
 #include "webkit/common/resource_type.h"
 
 
 class HistoryService;
@@ skipping 103 matching lines @@
   // Synchronous browser feature extraction.
   void ExtractBrowseInfoFeatures(const BrowseInfo& info,
                                  ClientPhishingRequest* request);
 
   // Actually starts feature extraction (does the real work).
   void StartExtractFeatures(ClientPhishingRequest* request,
                             const DoneCallback& callback);
 
   // HistoryService callback which is called when we're done querying URL visits
   // in the history.
-  void QueryUrlHistoryDone(scoped_ptr<ClientPhishingRequest> request,
-                           const DoneCallback& callback,
+  void QueryUrlHistoryDone(CancelableRequestProvider::Handle handle,
                            bool success,
-                           const history::URLRow& row,
-                           const history::VisitVector& visits);
+                           const history::URLRow* row,
+                           history::VisitVector* visits);
 
   // HistoryService callback which is called when we're done querying HTTP host
   // visits in the history.
   void QueryHttpHostVisitsDone(CancelableRequestProvider::Handle handle,
                                bool success,
                                int num_visits,
                                base::Time first_visit);
 
   // HistoryService callback which is called when we're done querying HTTPS host
   // visits in the history.
@@ skipping 30 matching lines @@
 
   // Helper function which is called when we're done filtering out benign IPs
   // on the IO thread.  This function is called on the UI thread.
   void FinishExtractMalwareFeatures(scoped_ptr<IPUrlMap> bad_ips,
                                     MalwareDoneCallback callback,
                                     scoped_ptr<ClientMalwareRequest> request);
 
   content::WebContents* tab_;
   ClientSideDetectionHost* host_;
   CancelableRequestConsumer request_consumer_;
-  base::CancelableTaskTracker cancelable_task_tracker_;
   base::WeakPtrFactory<BrowserFeatureExtractor> weak_factory_;
 
   // Set of pending extractions (i.e. extractions for which ExtractFeatures was
   // called but not StartExtractFeatures).
   std::map<ClientPhishingRequest*, DoneCallback> pending_extractions_;
 
   // Set of pending queries (i.e., where history->Query...() was called but
   // the history callback hasn't been invoked yet).
   PendingQueriesMap pending_queries_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserFeatureExtractor);
 };
 
 }  // namespace safe_browsing
 #endif  // CHROME_BROWSER_SAFE_BROWSING_BROWSER_FEATURE_EXTRACTOR_H_