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diff --git a/tensorflow/core/framework/tensor_util.h b/tensorflow/core/framework/tensor_util.h
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+++ b/tensorflow/core/framework/tensor_util.h
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+#ifndef TENSORFLOW_FRAMEWORK_TENSOR_UTIL_H_
+#define TENSORFLOW_FRAMEWORK_TENSOR_UTIL_H_
+
+#include "tensorflow/core/public/tensor.h"
+
+namespace tensorflow {
+namespace tensor {
+
+// DeepCopy returns a tensor whose contents are a deep copy of the
+// contents of 'other'.  This function is intended only for
+// convenience, not speed.
+//
+// REQUIRES: 'other' must point to data stored in CPU memory.
+// REQUIRES: 'other' must be a Tensor of a copy-able type if
+//           'other' is not appropriately memory-aligned.
+Tensor DeepCopy(const Tensor& other);
+
+}  // namespace tensor
+}  // namespace tensorflow
+
+#endif  // TENSORFLOW_FRAMEWORK_TENSOR_UTIL_H_