Make the fuchsia mojo/public repo the source of truth.

mojo/public/interfaces/bindings/tests/validation_parser/validation_parser.cc

-// Copyright 2016 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 "mojo/public/interfaces/bindings/tests/validation_parser/validation_parser.h"
-
-#include <stdlib.h>
-
-#include "mojo/public/cpp/bindings/tests/validation_test_input_parser.h"
-
-// C interface for the validation test parser.
-//
-// This routine malloc()s return error and space for data which
-// must be freed by the caller. Returns a null pointer in *data
-// and a message in *(return value) on failure. Returns a valid
-// pointer and size in *data and *data_len on success, and a
-// null pointer in *(return value).
-extern "C" char* ParseValidationTest(const char* input,    // Input
-                                     size_t* num_handles,  // Output
-                                     uint8_t** data,       // Output
-                                     size_t* data_len)     // Output
-{
-  // C++ interface
-  std::string cpp_input(input);
-  std::vector<uint8_t> cpp_data;
-  std::string error_message;
-  // Call the parser
-  if (!mojo::test::ParseValidationTestInput(cpp_input, &cpp_data, num_handles,
-                                            &error_message)) {
-    // Allocate buffer to return error string
-    // Add 1 to allocation for null terminator
-    int len = error_message.size() + 1;
-    char* ret_err = (char*)malloc(len);
-    strncpy(ret_err, error_message.c_str(), len);
-    // Set data to null and size to 0 since we failed.
-    *data = nullptr;
-    *data_len = 0;
-    return ret_err;
-  }
-  int cpp_data_size = cpp_data.size();
-  if (cpp_data_size != 0) {
-    // Allocate a buffer for the returned data.
-    *data = (uint8_t*)malloc(cpp_data_size);
-    *data_len = cpp_data_size;
-    // Copy the parsed output into the buffer.
-    memcpy(*data, cpp_data.data(), cpp_data_size);
-  } else {
-    // If we have no data, set the pointer to null and size to 0.
-    *data = nullptr;
-    *data_len = 0;
-  }
-  return nullptr;
-}