Remove old isolate API and update all code in the repository to use

tests/standalone/io/http_read_test.dart

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 //
 // VMOptions=
 // VMOptions=--short_socket_read
 // VMOptions=--short_socket_write
 // VMOptions=--short_socket_read --short_socket_write
 
 #import("dart:isolate");
 #import("dart:io");
 
 class TestServerMain {
   TestServerMain()
       : _statusPort = new ReceivePort(),
         _serverPort = null {
-    new TestServer().spawn().then((SendPort port) {
-      _serverPort = port;
-    });
+    _serverPort = spawnFunction(startTestServer);
   }
 
   void setServerStartedHandler(void startedCallback(int port)) {
     _startedCallback = startedCallback;
   }
 
   void start() {
     // Handle status messages from the server.
     _statusPort.receive((var status, SendPort replyTo) {
       if (status.isStarted) {
@@ skipping 54 matching lines @@
   bool get isStopped() => _state == STOPPED;
   bool get isError() => _state == ERROR;
 
   int get port() => _port;
 
   int _state;
   int _port;
 }
 
 
-class TestServer extends Isolate {
+void startTestServer() {
+  var server = new TestServer();
+  server.init();
+  port.receive(server.dispatch);
+}
+
+class TestServer {
   // Echo the request content back to the response.
   void _echoHandler(HttpRequest request, HttpResponse response) {
     Expect.equals("POST", request.method);
     response.contentLength = request.contentLength;
     request.inputStream.pipe(response.outputStream);
   }
 
   // Return a 404.
   void _notFoundHandler(HttpRequest request, HttpResponse response) {
     response.statusCode = HttpStatus.NOT_FOUND;
     response.headers.set("Content-Type", "text/html; charset=UTF-8");
     response.outputStream.writeString("Page not found");
     response.outputStream.close();
   }
 
 
-  void main() {
+  void init() {
     // Setup request handlers.
     _requestHandlers = new Map();
     _requestHandlers["/echo"] = (HttpRequest request, HttpResponse response) {
       _echoHandler(request, response);
     };
+  }
 
-    this.port.receive((var message, SendPort replyTo) {
-      if (message.isStart) {
-        _server = new HttpServer();
-        try {
-          _server.listen("127.0.0.1", 0);
-          _server.defaultRequestHandler = (HttpRequest req, HttpResponse rsp) {
-            _requestReceivedHandler(req, rsp);
-          };
-          replyTo.send(new TestServerStatus.started(_server.port), null);
-        } catch (var e) {
-          replyTo.send(new TestServerStatus.error(), null);
-        }
-      } else if (message.isStop) {
-        _server.close();
-        this.port.close();
-        replyTo.send(new TestServerStatus.stopped(), null);
-      } else if (message.isChunkedEncoding) {
-        _chunkedEncoding = true;
+  void dispatch(message, SendPort replyTo) {
+    if (message.isStart) {
+      _server = new HttpServer();
+      try {
+        _server.listen("127.0.0.1", 0);
+        _server.defaultRequestHandler = (HttpRequest req, HttpResponse rsp) {
+          _requestReceivedHandler(req, rsp);
+        };
+        replyTo.send(new TestServerStatus.started(_server.port), null);
+      } catch (var e) {
+        replyTo.send(new TestServerStatus.error(), null);
       }
-    });
+    } else if (message.isStop) {
+      _server.close();
+      port.close();
+      replyTo.send(new TestServerStatus.stopped(), null);
+    } else if (message.isChunkedEncoding) {
+      _chunkedEncoding = true;
+    }
   }
 
   void _requestReceivedHandler(HttpRequest request, HttpResponse response) {
     var requestHandler =_requestHandlers[request.path];
     if (requestHandler != null) {
       requestHandler(request, response);
     } else {
       _notFoundHandler(request, response);
     }
   }
@@ skipping 109 matching lines @@
   }
   testServerMain.start();
 }
 
 void main() {
   testReadInto(true);
   testReadInto(false);
   testReadShort(true);
   testReadShort(false);
 }