Fix history importing by delaying DownloadManager creation.

chrome/browser/profiles/profile_io_data.h

 // 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.
 
 #ifndef CHROME_BROWSER_PROFILES_PROFILE_IO_DATA_H_
 #define CHROME_BROWSER_PROFILES_PROFILE_IO_DATA_H_
 #pragma once
 
 #include <set>
+
 #include "base/basictypes.h"
 #include "base/callback.h"
 #include "base/file_path.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/synchronization/lock.h"
 #include "chrome/browser/net/chrome_url_request_context.h"
 #include "chrome/browser/prefs/pref_member.h"
-#include "content/browser/download/download_manager.h"
 #include "content/browser/resource_context.h"
 #include "net/base/cookie_monster.h"
 
 class CommandLine;
 class ChromeAppCacheService;
 class ChromeBlobStorageContext;
 class DesktopNotificationService;
+class DownloadIdFactory;
 class ExtensionInfoMap;
 class HostContentSettingsMap;
 class HostZoomMap;
 class IOThread;
 class Profile;
 class ProtocolHandlerRegistry;
 class TransportSecurityPersister;
 
 namespace fileapi {
 class FileSystemContext;
@@ skipping 250 matching lines @@
   mutable scoped_ptr<net::TransportSecurityState> transport_security_state_;
   mutable scoped_ptr<net::URLRequestJobFactory> job_factory_;
 
   // Pointed to by ResourceContext.
   mutable scoped_refptr<webkit_database::DatabaseTracker> database_tracker_;
   mutable scoped_refptr<ChromeAppCacheService> appcache_service_;
   mutable scoped_refptr<ChromeBlobStorageContext> blob_storage_context_;
   mutable scoped_refptr<fileapi::FileSystemContext> file_system_context_;
   mutable scoped_refptr<quota::QuotaManager> quota_manager_;
   mutable scoped_refptr<HostZoomMap> host_zoom_map_;
-  mutable DownloadManager::GetNextIdThunkType next_download_id_thunk_;
+  mutable scoped_refptr<DownloadIdFactory> download_id_factory_;
   mutable scoped_ptr<media_stream::MediaStreamManager> media_stream_manager_;
 
   // TODO(willchan): Remove from ResourceContext.
   mutable scoped_refptr<ExtensionInfoMap> extension_info_map_;
   mutable scoped_refptr<HostContentSettingsMap> host_content_settings_map_;
   mutable DesktopNotificationService* notification_service_;
 
   mutable ResourceContext resource_context_;
 
   mutable scoped_ptr<TransportSecurityPersister>
       transport_security_persister_;
 
   // These are only valid in between LazyInitialize() and their accessor being
   // called.
   mutable scoped_refptr<ChromeURLRequestContext> main_request_context_;
   mutable scoped_refptr<ChromeURLRequestContext> extensions_request_context_;
   // One AppRequestContext per isolated app.
   mutable AppRequestContextMap app_request_context_map_;
 
   DISALLOW_COPY_AND_ASSIGN(ProfileIOData);
 };
 
 #endif  // CHROME_BROWSER_PROFILES_PROFILE_IO_DATA_H_