Reorganizes Chromecast code to better reflect functional dependencies.

chromecast/shell/browser/cast_download_manager_delegate.cc

-// Copyright 2014 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 "chromecast/shell/browser/cast_download_manager_delegate.h"
-
-#include "base/files/file_path.h"
-#include "base/logging.h"
-#include "content/public/browser/download_danger_type.h"
-#include "content/public/browser/download_item.h"
-
-namespace chromecast {
-namespace shell {
-
-CastDownloadManagerDelegate::CastDownloadManagerDelegate() {}
-
-CastDownloadManagerDelegate::~CastDownloadManagerDelegate() {}
-
-void CastDownloadManagerDelegate::GetNextId(
-      const content::DownloadIdCallback& callback) {
-  // See default behavior of DownloadManagerImpl::GetNextId()
-  static uint32 next_id = content::DownloadItem::kInvalidId + 1;
-  callback.Run(next_id++);
-}
-
-bool CastDownloadManagerDelegate::DetermineDownloadTarget(
-    content::DownloadItem* item,
-    const content::DownloadTargetCallback& callback) {
-  // Running the DownloadTargetCallback with an empty FilePath signals
-  // that the download should be cancelled.
-  base::FilePath empty;
-  callback.Run(
-      empty,
-      content::DownloadItem::TARGET_DISPOSITION_OVERWRITE,
-      content::DOWNLOAD_DANGER_TYPE_MAYBE_DANGEROUS_CONTENT,
-      empty);
-  return true;
-}
-
-bool CastDownloadManagerDelegate::ShouldOpenFileBasedOnExtension(
-    const base::FilePath& path) {
-  return false;
-}
-
-bool CastDownloadManagerDelegate::ShouldCompleteDownload(
-    content::DownloadItem* item,
-    const base::Closure& callback) {
-  return false;
-}
-
-bool CastDownloadManagerDelegate::ShouldOpenDownload(
-    content::DownloadItem* item,
-    const content::DownloadOpenDelayedCallback& callback) {
-  return false;
-}
-
-}  // namespace shell
-}  // namespace chromecast