Move //mojo/services/network/public/interfaces to //mojo/services/network/interfaces.

mojo/services/network/public/interfaces/url_loader.mojom

-// Copyright 2014 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_services"]
-module mojo;
-
-import "mojo/public/interfaces/network/network_error.mojom";
-import "mojo/public/interfaces/network/url_request.mojom";
-import "mojo/public/interfaces/network/url_response.mojom";
-
-struct URLLoaderStatus {
-  // If the loader has failed due to a network level error, this field will be
-  // set.
-  NetworkError? error;
-
-  // Set to true if the URLLoader is still working. Set to false once an error
-  // is encountered or the response body is completely copied to the response
-  // body stream.
-  bool is_loading;
-
-  // TODO(darin): Add further details about the stages of loading (e.g.,
-  // "resolving host") that happen prior to receiving bytes.
-};
-
-interface URLLoader {
-  // Loads the given |request|, asynchronously producing |response|. Consult
-  // |response| to determine if the request resulted in an error, was
-  // redirected, or has a response body to be consumed.
-  Start(URLRequest request) => (URLResponse response);
-
-  // If the request passed to |Start| had |auto_follow_redirects| set to false,
-  // then upon receiving an URLResponse with a non-NULL |redirect_url| field,
-  // |FollowRedirect| may be called to load the URL indicated by the redirect.
-  FollowRedirect() => (URLResponse response);
-
-  // Query status about the URLLoader.
-  QueryStatus() => (URLLoaderStatus status);
-};