Chromecast: disables downloads from the Chromecast shell.

chromecast/shell/browser/cast_download_manager_delegate.cc

Index: chromecast/shell/browser/cast_download_manager_delegate.cc
diff --git a/chromecast/shell/browser/cast_download_manager_delegate.cc b/chromecast/shell/browser/cast_download_manager_delegate.cc
new file mode 100644
index 0000000000000000000000000000000000000000..edc35f0da50f5f1b3099bf1cebd753249d7b8020
--- /dev/null
+++ b/chromecast/shell/browser/cast_download_manager_delegate.cc
@@ -0,0 +1,58 @@
+// 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