Remove TODO and insert helpful comment to ResizeInputTensor()

PiperOrigin-RevId: 312516012
Change-Id: I4d230a687c5b1b16c3ffb478e428b17e16a4bc00
diff --git a/tensorflow/lite/interpreter.h b/tensorflow/lite/interpreter.h
index b93fd76..5278bc8 100644
--- a/tensorflow/lite/interpreter.h
+++ b/tensorflow/lite/interpreter.h
@@ -322,10 +322,9 @@
 
   /// Change the dimensionality of a given tensor. Note, this is only acceptable
   /// for tensor indices that are inputs or variables.
-  /// Returns status of failure or success.
-  /// TODO(aselle): Consider implementing ArraySlice equivalent to make this
-  ///   more adept at accepting data without an extra copy. Use absl::ArraySlice
-  ///   if our partners determine that dependency is acceptable.
+  /// Returns status of failure or success. Note that this doesn't actually
+  /// resize any existing buffers. A call to AllocateTensors() is required to
+  /// change the tensor input buffer.
   TfLiteStatus ResizeInputTensor(int tensor_index,
                                  const std::vector<int>& dims);
 
@@ -334,7 +333,8 @@
   // tensor indices that are inputs or variables. Only unknown dimensions can be
   // resized with this function. Unknown dimensions are indicated as `-1` in the
   // `dims_signature` attribute of a `TfLiteTensor`. Returns status of failure
-  // or success.
+  // or success.  Note that this doesn't actually resize any existing buffers.
+  /// A call to AllocateTensors() is required to change the tensor input buffer.
   TfLiteStatus ResizeInputTensorStrict(int tensor_index,
                                        const std::vector<int>& dims);