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

mojo/public/cpp/bindings/lib/message_validation.cc

-// 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.
-
-#include "mojo/public/cpp/bindings/lib/message_validation.h"
-
-#include <string>
-
-#include "mojo/public/cpp/bindings/lib/validation_errors.h"
-#include "mojo/public/cpp/bindings/message.h"
-
-namespace mojo {
-namespace internal {
-
-ValidationError ValidateMessageIsRequestWithoutResponse(const Message* message,
-                                                        std::string* err) {
-  if (message->has_flag(kMessageIsResponse)) {
-    MOJO_INTERNAL_DEBUG_SET_ERROR_MSG(err)
-        << "message should be a request, not a response";
-    return ValidationError::MESSAGE_HEADER_INVALID_FLAGS;
-  }
-  if (message->has_flag(kMessageExpectsResponse)) {
-    MOJO_INTERNAL_DEBUG_SET_ERROR_MSG(err)
-        << "message should not expect a response";
-    return ValidationError::MESSAGE_HEADER_INVALID_FLAGS;
-  }
-  return ValidationError::NONE;
-}
-
-ValidationError ValidateMessageIsRequestExpectingResponse(
-    const Message* message,
-    std::string* err) {
-  if (message->has_flag(kMessageIsResponse)) {
-    MOJO_INTERNAL_DEBUG_SET_ERROR_MSG(err)
-        << "message should be a request, not a response";
-    return ValidationError::MESSAGE_HEADER_INVALID_FLAGS;
-  }
-  if (!message->has_flag(kMessageExpectsResponse)) {
-    MOJO_INTERNAL_DEBUG_SET_ERROR_MSG(err)
-        << "message should expect a response";
-    return ValidationError::MESSAGE_HEADER_INVALID_FLAGS;
-  }
-  return ValidationError::NONE;
-}
-
-ValidationError ValidateMessageIsResponse(const Message* message,
-                                          std::string* err) {
-  if (message->has_flag(kMessageExpectsResponse) ||
-      !message->has_flag(kMessageIsResponse)) {
-    MOJO_INTERNAL_DEBUG_SET_ERROR_MSG(err) << "message should be a response";
-    return ValidationError::MESSAGE_HEADER_INVALID_FLAGS;
-  }
-  return ValidationError::NONE;
-}
-
-}  // namespace internal
-}  // namespace mojo