Enable transmitting Fetch Requests over Mojo

third_party/WebKit/public/platform/modules/fetch/fetch_api_request.mojom

+// Copyright 2017 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 blink.mojom;
+
+import "third_party/WebKit/public/platform/referrer.mojom";
+import "url/mojo/url.mojom";
+
+// The mode associated with a request.
+// https://fetch.spec.whatwg.org/#concept-request-mode
+enum FetchRequestMode {
+  SAME_ORIGIN,
+  NO_CORS,
+  CORS,
+  CORS_WITH_FORCED_PREFLIGHT,
+  NAVIGATE,
+};
+
+// Type of the context associated with a request.
+enum RequestContextType {
+  UNSPECIFIED,
+  AUDIO,
+  BEACON,
+  CSP_REPORT,
+  DOWNLOAD,
+  EMBED,
+  EVENT_SOURCE,
+  FAVICON,
+  FETCH,
+  FONT,
+  FORM,
+  FRAME,
+  HYPERLINK,
+  IFRAME,
+  IMAGE,
+  IMAGE_SET,
+  IMPORT,
+  INTERNAL,
+  LOCATION,
+  MANIFEST,
+  OBJECT,
+  PING,
+  PLUGIN,
+  PREFETCH,
+  SCRIPT,
+  SERVICE_WORKER,
+  SHARED_WORKER,
+  SUBRESOURCE,
+  STYLE,
+  TRACK,
+  VIDEO,
+  WORKER,
+  XML_HTTP_REQUEST,
+  XSLT,
+};
+
+// Frame type of the context associated with a request.
+enum RequestContextFrameType {
+  AUXILIARY,
+  NESTED,
+  NONE,
+  TOP_LEVEL,
+};
+
+// Credentials mode indicating which credentials should be included with a
+// request.
+enum FetchCredentialsMode {
+  OMIT,
+  SAME_ORIGIN,
+  INCLUDE,
+  PASSWORD,
+};
+
+// The redirect mode indicating how redirects should be handled.
+// https://fetch.spec.whatwg.org/#concept-request-redirect-mode
+enum FetchRedirectMode {
+  FOLLOW,
+  ERROR_MODE,
+  MANUAL,
+};
+
+// Whether this is a regular fetch, or a foreign fetch request.
+enum ServiceWorkerFetchType {
+  FETCH,
+  FOREIGN_FETCH,
+};
+
+struct FetchAPIRequest {
+  FetchRequestMode mode;
+  bool is_main_resource_load;
+  RequestContextType request_context_type;
+  RequestContextFrameType frame_type;
+  url.mojom.Url url;
+  string method;
+  map<string, string> headers;
+  string? blob_uuid;
+  uint64 blob_size;
+  Referrer referrer;
+  FetchCredentialsMode credentials_mode;
+  FetchRedirectMode redirect_mode;
+  string? client_id;
+  bool is_reload;
+  ServiceWorkerFetchType fetch_type;
+};