Fix history importing by delaying DownloadManager creation.

content/browser/download/download_file_manager.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 "content/browser/download/download_file_manager.h"
 
 #include <set>
 #include <string>
 
 #include "base/bind.h"
@@ skipping 52 matching lines @@
   // Life of |info| ends here. No more references to it after this method.
   scoped_ptr<DownloadCreateInfo> infop(info);
 
   scoped_ptr<DownloadFile>
       download_file(new DownloadFile(info, request_handle, download_manager));
   if (net::OK != download_file->Initialize(get_hash)) {
     request_handle.CancelRequest();
     return;
   }
 
-  DownloadId global_id(download_manager, info->download_id);
-  DCHECK(GetDownloadFile(global_id) == NULL);
-  downloads_[global_id] = download_file.release();
+  DCHECK(GetDownloadFile(info->download_id) == NULL);
+  downloads_[info->download_id] = download_file.release();
 
   // The file is now ready, we can un-pause the request and start saving data.
   request_handle.ResumeRequest();
 
   StartUpdateTimer();
 
   BrowserThread::PostTask(
       BrowserThread::UI, FROM_HERE,
       base::Bind(&DownloadManager::StartDownload, download_manager,
-                 info->download_id));
+                 info->download_id.local()));
 }
 
 DownloadFile* DownloadFileManager::GetDownloadFile(DownloadId global_id) {
   DownloadFileMap::iterator it = downloads_.find(global_id);
   return it == downloads_.end() ? NULL : it->second;
 }
 
 void DownloadFileManager::StartUpdateTimer() {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
   if (!update_timer_.IsRunning()) {
@@ skipping 177 matching lines @@
        i != downloads_.end(); ++i) {
     DownloadFile* download_file = i->second;
     if (download_file->GetDownloadManager() == manager) {
       download_file->CancelDownloadRequest();
       to_remove.insert(download_file);
     }
   }
 
   for (std::set<DownloadFile*>::iterator i = to_remove.begin();
        i != to_remove.end(); ++i) {
-    downloads_.erase(DownloadId((*i)->GetDownloadManager(), (*i)->id()));
+    downloads_.erase((*i)->global_id());
     delete *i;
   }
 }
 
 // Actions from the UI thread and run on the download thread
 
 // The DownloadManager in the UI thread has provided an intermediate .crdownload
 // name for the download specified by 'id'. Rename the in progress download.
 //
 // There are 2 possible rename cases where this method can be called:
@@ skipping 123 matching lines @@
            << " id = " << global_id
            << " download_file = " << download_file->DebugString();
 
   downloads_.erase(global_id);
 
   delete download_file;
 
   if (downloads_.empty())
     StopUpdateTimer();
 }