Fix history importing by delaying DownloadManager creation.

chrome/browser/download/chrome_download_manager_delegate.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/chrome_download_manager_delegate.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/callback.h"
 #include "base/file_util.h"
@@ skipping 45 matching lines @@
   return (item->mime_type() == Extension::kMimeType) ||
       UserScript::IsURLUserScript(item->GetURL(), item->mime_type());
 }
 
 void ChromeDownloadManagerDelegate::SetDownloadManager(DownloadManager* dm) {
   download_manager_ = dm;
   download_history_.reset(new DownloadHistory(profile_));
   download_history_->Load(
       base::Bind(&DownloadManager::OnPersistentStoreQueryComplete,
                  base::Unretained(dm)));
-  download_history_->GetNextId(
-      base::Bind(&DownloadManager::OnPersistentStoreGetNextId,
-                 base::Unretained(dm)));
 }
 
 void ChromeDownloadManagerDelegate::Shutdown() {
   download_history_.reset();
   download_prefs_.reset();
 }
 
 bool ChromeDownloadManagerDelegate::ShouldStartDownload(int32 download_id) {
   // We create a download item and store it in our download map, and inform the
   // history system of a new download. Since this method can be called while the
@@ skipping 461 matching lines @@
 // TODO(noelutz): This function currently works as a callback place holder.
 // Once we decide the hash check is reliable, we could move the
 // MaybeCompleteDownload in OnAllDataSaved to this function.
 void ChromeDownloadManagerDelegate::CheckDownloadHashDone(
     int32 download_id,
     bool is_dangerous_hash) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   DVLOG(1) << "CheckDownloadHashDone, download_id: " << download_id
            << " is dangerous_hash: " << is_dangerous_hash;
 }