Replace the DownloadFileManager with direct ownership of DownloadFile.

content/browser/browser_context.cc

 // Copyright (c) 2012 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/public/browser/browser_context.h"
 
 #include "content/browser/appcache/chrome_appcache_service.h"
 #include "webkit/database/database_tracker.h"
 #include "content/browser/dom_storage/dom_storage_context_impl.h"
-#include "content/browser/download/download_file_manager.h"
 #include "content/browser/download/download_manager_impl.h"
 #include "content/browser/in_process_webkit/indexed_db_context_impl.h"
 #include "content/browser/renderer_host/resource_dispatcher_host_impl.h"
 #include "content/public/browser/resource_context.h"
 #include "content/browser/storage_partition.h"
 #include "content/browser/storage_partition_map.h"
 #include "content/common/child_process_host_impl.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/content_browser_client.h"
 #include "net/base/server_bound_cert_service.h"
@@ skipping 89 matching lines @@
 }
 
 }  // namespace
 
 DownloadManager* BrowserContext::GetDownloadManager(
     BrowserContext* context) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   if (!context->GetUserData(kDownloadManagerKeyName)) {
     ResourceDispatcherHostImpl* rdh = ResourceDispatcherHostImpl::Get();
     DCHECK(rdh);
-    DownloadFileManager* file_manager = rdh->download_file_manager();
-    DCHECK(file_manager);
     scoped_refptr<DownloadManager> download_manager =
         new DownloadManagerImpl(
-            file_manager,
             scoped_ptr<DownloadItemFactory>(),
             GetContentClient()->browser()->GetNetLog());
 
     context->SetUserData(
         kDownloadManagerKeyName,
         new UserDataAdapter<DownloadManager>(download_manager));
     download_manager->SetDelegate(context->GetDownloadManagerDelegate());
     download_manager->Init(context);
   }
 
@@ skipping 122 matching lines @@
   ForEachDOMStorageContext(browser_context,
                            base::Bind(&DOMStorageContextImpl::PurgeMemory));
 }
 
 BrowserContext::~BrowserContext() {
   if (GetUserData(kDownloadManagerKeyName))
     GetDownloadManager(this)->Shutdown();
 }
 
 }  // namespace content