Return error to chrome.downloads.removeFile

content/browser/download/download_manager_impl.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/browser/download/download_manager_impl.h"
 
 #include <iterator>
 
 #include "base/bind.h"
 #include "base/callback.h"
@@ skipping 448 matching lines @@
         base::Bind(&DownloadManagerImpl::OnFileExistenceChecked,
                    weak_factory_.GetWeakPtr(), download_item->GetId()));
   }
 }
 
 void DownloadManagerImpl::OnFileExistenceChecked(uint32 download_id,
                                                  bool result) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   if (!result) {  // File does not exist.
     if (ContainsKey(downloads_, download_id))
-      downloads_[download_id]->OnDownloadedFileRemoved(true);
+      downloads_[download_id]->OnDownloadedFileRemoved();
   }
 }
 
 BrowserContext* DownloadManagerImpl::GetBrowserContext() const {
   return browser_context_;
 }
 
 void DownloadManagerImpl::CreateSavePackageDownloadItem(
     const base::FilePath& main_file_path,
     const GURL& page_url,
@@ skipping 228 matching lines @@
   if (delegate_)
     delegate_->OpenDownload(download);
 }
 
 void DownloadManagerImpl::ShowDownloadInShell(DownloadItemImpl* download) {
   if (delegate_)
     delegate_->ShowDownloadInShell(download);
 }
 
 }  // namespace content