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mojo/data_pipe_utils/data_pipe_utils_internal.h

Index: mojo/data_pipe_utils/data_pipe_utils_internal.h
diff --git a/mojo/data_pipe_utils/data_pipe_utils_internal.h b/mojo/data_pipe_utils/data_pipe_utils_internal.h
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+// Copyright 2015 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_DATA_PIPE_UTILS_DATA_PIPE_UTILS_INTERNAL_H_
+#define MOJO_DATA_PIPE_UTILS_DATA_PIPE_UTILS_INTERNAL_H_
+
+#include "base/callback_forward.h"
+#include "mojo/public/cpp/system/data_pipe.h"
+
+namespace mojo {
+namespace common {
+
+// Read data from the source pipe and invoke the callback for each chunk.
+bool BlockingCopyHelper(
+    ScopedDataPipeConsumerHandle source,
+    const base::Callback<size_t(const void*, uint32_t)>& write_bytes);
+
+}  // namespace common
+}  // namespace mojo
+
+#endif  // MOJO_DATA_PIPE_UTILS_DATA_PIPE_UTILS_INTERNAL_H_