Remove dependency on //content from history DownloadDatabase

chrome/browser/safe_browsing/incident_reporting/last_download_finder.h

 // Copyright 2014 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.
 
 #ifndef CHROME_BROWSER_SAFE_BROWSING_INCIDENT_REPORTING_LAST_DOWNLOAD_FINDER_H_
 #define CHROME_BROWSER_SAFE_BROWSING_INCIDENT_REPORTING_LAST_DOWNLOAD_FINDER_H_
 
 #include <map>
 #include <vector>
 
 #include "base/callback.h"
 #include "base/compiler_specific.h"
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/scoped_observer.h"
-#include "chrome/browser/history/download_row.h"
 #include "chrome/browser/safe_browsing/incident_reporting/download_metadata_manager.h"
+#include "components/history/core/browser/download_row.h"
 #include "components/history/core/browser/history_service_observer.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 
 class HistoryService;
 class Profile;
 
 namespace content {
 class NotificationDetails;
 class NotificationSource;
 }
 
-namespace history {
-struct DownloadRow;
-}
-
 namespace safe_browsing {
 
 class ClientIncidentReport_DownloadDetails;
 
 // Finds the most recent executable downloaded by any on-the-record profile with
 // history that participates in safe browsing.
 class LastDownloadFinder : public content::NotificationObserver,
                            public history::HistoryServiceObserver {
  public:
   typedef base::Callback<void(
@@ skipping 100 matching lines @@
 
   // A factory for asynchronous operations on profiles' HistoryService.
   base::WeakPtrFactory<LastDownloadFinder> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(LastDownloadFinder);
 };
 
 }  // namespace safe_browsing
 
 #endif  // CHROME_BROWSER_SAFE_BROWSING_INCIDENT_REPORTING_LAST_DOWNLOAD_FINDER_H_