Revert 98656 - Make a new integer field in sql::MetaTable (a per-profile db) containing a counter...

chrome/browser/download/download_history.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/download/download_history.h"
 
 #include "base/logging.h"
 #include "chrome/browser/download/chrome_download_manager_delegate.h"
 #include "chrome/browser/history/history_marshaling.h"
 #include "chrome/browser/profiles/profile.h"
 #include "content/browser/download/download_item.h"
 #include "content/browser/download/download_persistent_store_info.h"
 
 DownloadHistory::DownloadHistory(Profile* profile)
     : profile_(profile),
       next_fake_db_handle_(DownloadItem::kUninitializedHandle - 1) {
   DCHECK(profile);
 }
 
 DownloadHistory::~DownloadHistory() {
   // For any outstanding requests to
   // HistoryService::GetVisibleVisitCountToHost(), since they'll be cancelled
   // and thus not call back to OnGotVisitCountToHost(), we need to delete the
   // associated VisitedBeforeDoneCallbacks.
   for (VisitedBeforeRequestsMap::iterator i(visited_before_requests_.begin());
        i != visited_before_requests_.end(); ++i)
     delete i->second.second;
 }
 
-void DownloadHistory::GetNextId(
-    HistoryService::DownloadNextIdCallback* callback) {
-  DCHECK(callback);
-  HistoryService* hs = profile_->GetHistoryService(Profile::EXPLICIT_ACCESS);
-  if (!hs) {
-    delete callback;
-    return;
-  }
-  hs->GetNextDownloadId(&history_consumer_, callback);
-}
-
 void DownloadHistory::Load(HistoryService::DownloadQueryCallback* callback) {
   DCHECK(callback);
   HistoryService* hs = profile_->GetHistoryService(Profile::EXPLICIT_ACCESS);
   if (!hs) {
     delete callback;
     return;
   }
   hs->QueryDownloads(&history_consumer_, callback);
 
   // This is the initial load, so do a cleanup of corrupt in-progress entries.
@@ skipping 104 matching lines @@
   VisitedBeforeRequestsMap::iterator request =
       visited_before_requests_.find(handle);
   DCHECK(request != visited_before_requests_.end());
   int32 download_id = request->second.first;
   VisitedBeforeDoneCallback* callback = request->second.second;
   visited_before_requests_.erase(request);
   callback->Run(download_id, found_visits && count &&
       (first_visit.LocalMidnight() < base::Time::Now().LocalMidnight()));
   delete callback;
 }