Webidl and basic implementation of XHR object

src/components/script/dom/webidls/XMLHttpRequest.webidl

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+/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * The origin of this IDL file is
+ * http://xhr.spec.whatwg.org/#interface-xmlhttprequest
+ *
+ * To the extent possible under law, the editor has waived all copyright
+ * and related or neighboring rights to this work. In addition, as of 1 May 2014,
+ * the editor has made this specification available under the Open Web Foundation
+ * Agreement Version 1.0, which is available at
+ * http://www.openwebfoundation.org/legal/the-owf-1-0-agreements/owfa-1-0.
+ */
+
+enum XMLHttpRequestResponseType {
+  "",
+  "arraybuffer",
+  "blob",
+  "document",
+  "json",
+  "text"
+};
+
+[Constructor,
+ Exposed=Window,Worker]
+interface XMLHttpRequest : XMLHttpRequestEventTarget {
+  // event handler
+  // attribute EventHandler onreadystatechange;
+
+  // states
+  const unsigned short UNSENT = 0;
+  const unsigned short OPENED = 1;
+  const unsigned short HEADERS_RECEIVED = 2;
+  const unsigned short LOADING = 3;
+  const unsigned short DONE = 4;
+
+  readonly attribute unsigned short readyState;
+
+  // request
+  // void open(/* ByteString */ DOMString method, /* [EnsureUTF16] */ DOMString url);
+
+  // void open(/* ByteString */ DOMString method, /* [EnsureUTF16] */ DOMString url, boolean async, optional /* [EnsureUTF16] */ DOMString? username = null, optional /* [EnsureUTF16] */ DOMString? password = null);
+
+  // void setRequestHeader(/* ByteString */ DOMString name, /* ByteString */ DOMString value);
+           attribute unsigned long timeout;
+           attribute boolean withCredentials;
+  readonly attribute XMLHttpRequestUpload upload;
+  // void send(optional /*(ArrayBufferView or Blob or Document or [EnsureUTF16] */ DOMString/* or FormData or URLSearchParams)*/? data = null);
+  // void abort();
+
+  // response
+  readonly attribute DOMString responseURL;
+  readonly attribute unsigned short status;
+  readonly attribute /* ByteString*/ DOMString statusText;
+  // DOMString? /*ByteString?*/ getResponseHeader(/*ByteString*/ DOMString name);
+  // DOMString /*ByteString*/ getAllResponseHeaders();
+  // void overrideMimeType(DOMString mime);
+           attribute XMLHttpRequestResponseType responseType;
+  // readonly attribute any response;
+  readonly attribute DOMString responseText;
+  [Exposed=Window] readonly attribute Document? responseXML;
+};

src/components/script/dom/webidls/XMLHttpRequestEventTarget.webidl

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+/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * The origin of this IDL file is
+ * http://xhr.spec.whatwg.org/#interface-xmlhttprequest
+ *
+ * To the extent possible under law, the editor has waived all copyright
+ * and related or neighboring rights to this work. In addition, as of 1 May 2014,
+ * the editor has made this specification available under the Open Web Foundation
+ * Agreement Version 1.0, which is available at
+ * http://www.openwebfoundation.org/legal/the-owf-1-0-agreements/owfa-1-0.
+ */
+
+/* https://github.com/mozilla/servo/issues/1223:  [NoInterfaceObject] */
+interface XMLHttpRequestEventTarget : EventTarget {
+  // event handlers
+  /* Needs EventHandler: https://github.com/mozilla/servo/issues/1238
+  attribute EventHandler onloadstart;
+  attribute EventHandler onprogress;
+  attribute EventHandler onabort;
+  attribute EventHandler onerror;
+  attribute EventHandler onload;
+  attribute EventHandler ontimeout;
+  attribute EventHandler onloadend;
+  */
+};

src/components/script/dom/webidls/XMLHttpRequestUpload.webidl

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+/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * The origin of this IDL file is
+ * http://xhr.spec.whatwg.org/#interface-xmlhttprequest
+ *
+ * To the extent possible under law, the editor has waived all copyright
+ * and related or neighboring rights to this work. In addition, as of 1 May 2014,
+ * the editor has made this specification available under the Open Web Foundation
+ * Agreement Version 1.0, which is available at
+ * http://www.openwebfoundation.org/legal/the-owf-1-0-agreements/owfa-1-0.
+ */
+
+[Exposed=Window,Worker]
+interface XMLHttpRequestUpload : XMLHttpRequestEventTarget {
+};