MD Downloads: fix incognito markers

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"
 
 #if !defined(OS_IOS)
 #include "content/browser/download/download_manager_impl.h"
 #include "content/browser/fileapi/chrome_blob_storage_context.h"
 #include "content/browser/indexed_db/indexed_db_context_impl.h"
@@ skipping 104 matching lines @@
       scoped_ptr<base::hash_set<base::FilePath> > active_paths,
       const base::Closure& done) {
   GetStoragePartitionMap(browser_context)->GarbageCollect(
       active_paths.Pass(), done);
 }
 
 DownloadManager* BrowserContext::GetDownloadManager(
     BrowserContext* context) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   if (!context->GetUserData(kDownloadManagerKeyName)) {
-    ResourceDispatcherHostImpl* rdh = ResourceDispatcherHostImpl::Get();
-    DCHECK(rdh);
     DownloadManager* download_manager =
         new DownloadManagerImpl(
             GetContentClient()->browser()->GetNetLog(), context);
 
     SetDownloadManager(context, download_manager);
     download_manager->SetDelegate(context->GetDownloadManagerDelegate());
   }
 
   return static_cast<DownloadManager*>(
       context->GetUserData(kDownloadManagerKeyName));
@@ skipping 184 matching lines @@
 #endif  // !OS_IOS
 
 BrowserContext::~BrowserContext() {
 #if !defined(OS_IOS)
   if (GetUserData(kDownloadManagerKeyName))
     GetDownloadManager(this)->Shutdown();
 #endif
 }
 
 }  // namespace content