[downloads] Move platform specific code out of DownloadTargetDeterminer.

android_webview/browser/aw_download_manager_delegate.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 "android_webview/browser/aw_download_manager_delegate.h"
 
 #include "base/files/file_path.h"
 #include "content/public/browser/download_danger_type.h"
 #include "content/public/browser/download_item.h"
 
 namespace android_webview {
 
 AwDownloadManagerDelegate::~AwDownloadManagerDelegate() {}
 
 bool AwDownloadManagerDelegate::DetermineDownloadTarget(
     content::DownloadItem* item,
     const content::DownloadTargetCallback& callback) {
   // Note this cancel is independent of the URLRequest cancel in
   // AwResourceDispatcherHostDelegate::DownloadStarting. The request
   // could have already finished by the time DownloadStarting is called.
   callback.Run(base::FilePath() /* Empty file path for cancel */,
                content::DownloadItem::TARGET_DISPOSITION_OVERWRITE,
-               content::DOWNLOAD_DANGER_TYPE_NOT_DANGEROUS,
-               base::FilePath());
+               content::DOWNLOAD_DANGER_TYPE_NOT_DANGEROUS, base::FilePath(),
+               content::DOWNLOAD_INTERRUPT_REASON_USER_CANCELED);
   return true;
 }
 
 bool AwDownloadManagerDelegate::ShouldCompleteDownload(
     content::DownloadItem* item,
     const base::Closure& complete_callback) {
   NOTREACHED();
   return true;
 }
 
 bool AwDownloadManagerDelegate::ShouldOpenDownload(
     content::DownloadItem* item,
     const content::DownloadOpenDelayedCallback& callback) {
   NOTREACHED();
   return true;
 }
 
 void AwDownloadManagerDelegate::GetNextId(
     const content::DownloadIdCallback& callback) {
   static uint32_t next_id = content::DownloadItem::kInvalidId + 1;
   callback.Run(next_id++);
 }
 
 }  // namespace android_webview