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

mojo/public/interfaces/network/url_response.mojom

-// 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.
-
-[DartPackage="mojo"]
-module mojo;
-
-import "mojo/public/interfaces/network/http_header.mojom";
-import "mojo/public/interfaces/network/network_error.mojom";
-
-struct URLResponse {
-  // If the response resulted in a network level error, this field will be set.
-  NetworkError? error;
-
-  // The response body stream. Read from this data pipe to receive the bytes of
-  // response body.
-  handle<data_pipe_consumer>? body;
-
-  // The final URL of the response, after redirects have been followed.
-  string? url;
-
-  // The HTTP status code. 0 if not applicable.
-  uint32 status_code;
-
-  // The HTTP status line.
-  string? status_line;
-
-  // The HTTP response headers.
-  array<HttpHeader>? headers;
-
-  // The MIME type of the response body.
-  string? mime_type;
-
-  // The character set of the response body.
-  string? charset;
-
-  // These fields are set to non-NULL if this response corresponds to a
-  // redirect.  Call the |FollowRedirect| method on the URLLoader instance to
-  // follow this redirect.
-  string? redirect_method;
-  string? redirect_url;
-  string? redirect_referrer;
-};