Mojo: Use network service to load non-local Mojo Apps.

mojo/common/data_pipe_utils.h

+// 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.
+
+#ifndef MOJO_SHELL_DATA_PIPE_UTILS_H_
+#define MOJO_SHELL_DATA_PIPE_UTILS_H_
+
+#include "base/callback_forward.h"
+#include "mojo/common/mojo_common_export.h"
+#include "mojo/public/cpp/system/core.h"
+
+namespace base {
+class FilePath;
+class TaskRunner;
+}
+
+namespace mojo {
+namespace common {
+
+// Asynchronously copies data from source to the destination file. The given
+// |callback| is run upon completion. File writes will be scheduled to the
+// given |task_runner|.
+void MOJO_COMMON_EXPORT CopyToFile(
+    ScopedDataPipeConsumerHandle source,
+    const base::FilePath& destination,
+    base::TaskRunner* task_runner,
+    const base::Callback<void(bool /*success*/)>& callback);
+
+}  // namespace common
+}  // namespace mojo
+
+#endif  // MOJO_SHELL_DATA_PIPE_UTILS_H_