Update mojo sdk to rev cc531b32182099a5a034a99daff35ed5d38a61c8

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.
 
 module mojo;
 
 import "mojo/services/network/public/interfaces/network_error.mojom";
 
 struct URLRequest {
   // The URL to load.
   string url;
 
   // The HTTP method if applicable.
   string method = "GET";
 
   // Additional HTTP request headers.
   array<string>? headers;
 
   // The payload for the request body, represented as a concatenation of data
   // streams. For HTTP requests, the method must be set to "POST" or "PUT".
   array<handle<data_pipe_consumer>>? body;
 
-  // The number of bytes to be read from |body|. A Content-Length header of
-  // this value will be sent. Set to -1 if length is unknown, which will cause
-  // |body| to be uploaded using a chunked encoding.
-  int64 body_length = 0;
-
   // The buffer size of the data pipe returned in URLResponse's |body| member.
   // A value of 0 indicates that the default buffer size should be used.  This
   // value is just a suggestion. The URLLoader may choose to ignore this value.
   uint32 response_body_buffer_size = 0;
 
   // If set to true, then redirects will be automatically followed. Otherwise,
   // when a redirect is encounterd, FollowRedirect must be called to proceed.
   bool auto_follow_redirects = false;
 
   // If set to true, then the HTTP request will bypass the local cache and will
@@ skipping 57 matching lines @@
   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);
 };