Remove outdated examples and framework pieces

sky/framework/xmlhttprequest.sky

Index: sky/framework/xmlhttprequest.sky
diff --git a/sky/framework/xmlhttprequest.sky b/sky/framework/xmlhttprequest.sky
deleted file mode 100644
index 7df72b17532d6681a50e1d1f266688921c33a6d2..0000000000000000000000000000000000000000
--- a/sky/framework/xmlhttprequest.sky
+++ /dev/null
@@ -1,132 +0,0 @@
-<import src="/gen/mojo/public/sky/core.sky" as="core" />
-<import src="/gen/mojo/public/sky/unicode.sky" as="unicode" />
-<import src="/gen/mojo/services/network/public/interfaces/network_service.mojom.sky" as="net" />
-<import src="/gen/mojo/services/network/public/interfaces/url_loader.mojom.sky" as="loader" />
-<import src="shell.sky" as="shell" />
-<script>
-// XHR keeps itself alive.
-var outstandingRequests = new Set();
-
-const kPrivate = Symbol("XMLHttpRequestPrivate");
-
-class Private {
-  constructor() {
-    this.networkService = shell.connectToService(
-      "mojo:network_service", net.NetworkService);
-    this.request = null;
-    this.loader = null;
-    this.headers = new Map();
-    this.responseArrayBuffer = null;
-    this.responseText = null; // Cached to avoid re-decoding each access.
-  }
-}
-
-// https://xhr.spec.whatwg.org
-class XMLHttpRequest {
-  constructor() {
-    this[kPrivate] = new Private;
-    this.responseType = ''; // Only text and arraybuffer support for now.
-    this.status = null;
-    this.statusText = null;
-  }
-
-  onload() {
-  }
-
-  onerror(error) {
-  }
-
-  get responseText() {
-    if (this.responseType !== '' && this.responseType !== 'text')
-      throw 'Non-text responseType ' + this.responseType;
-    if (this[kPrivate].responseArrayBuffer === null)
-      return null;
-    if (this[kPrivate].responseText === null) {
-      var intArray = new Uint8Array(this[kPrivate].responseArrayBuffer);
-      this[kPrivate].responseText = unicode.decodeUtf8String(intArray);
-    }
-    return this[kPrivate].responseText;
-  }
-
-  get response() {
-    if (this.responseType === 'text' || this.responseType == '')
-      return this.responseText;
-    else if (this.responseType === 'arraybuffer')
-      return this[kPrivate].responseArrayBuffer;
-    throw 'Unknown responseType ' + this.responseType;
-  }
-
-  open(method, url) {
-    var request = new loader.URLRequest();
-    request.url = String(new URL(url, document.URL));
-    request.method = method;
-    request.auto_follow_redirects = true;
-
-    var priv = this[kPrivate];
-    priv.request = request;
-    priv.headers.clear();
-  }
-
-  setRequestHeader(header, value) {
-    this[kPrivate].headers.set(header, value);
-  }
-
-  send(body) {
-    var priv = this[kPrivate];
-    // Handle the body before the headers as it can affect Content-Type.
-    if (body) {
-      var bodyAsBufferView = null;
-      if (typeof(body) === "string") {
-        this.setRequestHeader("Content-Type", "text/plain;charset=UTF-8");
-        var bodyAsBufferView = new Uint8Array(unicode.utf8Length(body));
-        unicode.encodeUtf8String(body, bodyAsBufferView);
-      } else {
-        bodyAsBufferView = new Uint8Array(body);
-      }
-      var dataPipe = new core.createDataPipe();
-      // FIXME: body is currently assumed to be an ArrayBuffer.
-      var writeResult = core.writeData(dataPipe.producerHandle,
-        bodyAsBufferView, core.WRITE_DATA_FLAG_ALL_OR_NONE);
-      core.close(dataPipe.producerHandle);
-      // FIXME: Much better error handling needed.
-      console.assert(writeResult.result === core.RESULT_OK);
-      console.assert(writeResult.numBytes === body.length);
-      // 'body' is actually an array of body segments.
-      priv.request.body = [dataPipe.consumerHandle];
-    }
-
-    var requestHeaders = [];
-    priv.headers.forEach(function(value, key) {
-      requestHeaders.push(key + ': ' + value);
-    });
-    priv.request.headers = requestHeaders;
-
-    priv.networkService.createURLLoader(function(urlLoaderProxy) {
-        priv.loader = urlLoaderProxy;
-    });
-
-    var self = this;
-    outstandingRequests.add(this);
-    priv.loader.start(priv.request).then(function(result) {
-      self.status = result.response.status_code;
-      self.statusText = result.response.status_line;
-      if (result.response.error)
-        throw new Error(result.response.error.description);
-      return core.drainData(result.response.body).then(function(result) {
-        outstandingRequests.delete(self);
-        priv.responseArrayBuffer = result.buffer;
-        // Use a setTimeout to avoid exceptions in onload tripping onerror.
-        window.setTimeout(function() {
-          self.onload();
-        });
-      });
-    }).catch(function(error) {
-      outstandingRequests.delete(self);
-      // Technically this should throw a ProgressEvent.
-      self.onerror(error);
-    });
-  }
-}
-
-module.exports = XMLHttpRequest;
-</script>