Remove task.h and finish base::Bind() migration.

chrome/browser/safe_browsing/browser_feature_extractor.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/browser_feature_extractor.h"
 
 #include <map>
 #include <utility>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/format_macros.h"
 #include "base/stl_util.h"
 #include "base/stringprintf.h"
-#include "base/task.h"
 #include "base/time.h"
 #include "chrome/browser/cancelable_request.h"
 #include "chrome/browser/history/history.h"
 #include "chrome/browser/history/history_types.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/safe_browsing/browser_features.h"
 #include "chrome/browser/safe_browsing/client_side_detection_service.h"
 #include "chrome/common/safe_browsing/csd.pb.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/navigation_controller.h"
@@ skipping 418 matching lines @@
     *history = profile->GetHistoryService(Profile::EXPLICIT_ACCESS);
     if (*history) {
       return true;
     }
   }
   VLOG(2) << "Unable to query history.  No history service available.";
   return false;
 }
 
 }  // namespace safe_browsing