Add missing files from previous commit

tests/standalone/io/raw_secure_socket_pause_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:async";
+import "dart:io";
+import "dart:isolate";
+
+
+void main() {
+  List<int> message = "GET / HTTP/1.0\r\nHost: www.google.dk\r\n\r\n".charCodes;
+  int written = 0;
+  List<String> chunks = <String>[];
+  SecureSocket.initialize();
+  // TODO(whesse): Use a Dart HTTPS server for this test.
+  // The Dart HTTPS server works on bleeding-edge, but not on IOv2.
+  // When we use a Dart HTTPS server, allow --short_socket_write. The flag
+  // causes fragmentation of the client hello message, which doesn't seem to
+  // work with www.google.dk.
+  RawSecureSocket.connect("www.google.dk", 443).then((socket) {
+    StreamSubscription subscription;
+    bool paused = false;
+    bool readEventsTested = false;
+    bool readEventsPaused = false;
+
+    void runPauseTest() {
+      subscription.pause();
+      paused = true;
+      new Timer(500, (_) {
+          paused = false;
+          subscription.resume();
+      });
+    }
+
+    void runReadEventTest() {
+      if (readEventsTested) return;
+      readEventsTested = true;
+      socket.readEventsEnabled = false;
+      readEventsPaused = true;
+      new Timer(500, (_) {
+        readEventsPaused = false;
+        socket.readEventsEnabled = true;
+      });
+    }
+
+    subscription = socket.listen((RawSocketEvent event) {
+      Expect.isFalse(paused);
+      switch (event) {
+        case RawSocketEvent.READ:
+          Expect.isFalse(readEventsPaused);
+          runReadEventTest();
+          var data = socket.read();
+          var received = new String.fromCharCodes(data);
+          chunks.add(received);
+          break;
+        case RawSocketEvent.WRITE:
+          written +=
+              socket.write(message, written, message.length - written);
+          if (written < message.length) {
+            socket.writeEventsEnabled = true;
+          } else {
+            socket.shutdown(SocketDirection.SEND);
+            runPauseTest();
+          }
+          break;
+        case RawSocketEvent.READ_CLOSED:
+          String fullPage = chunks.join();
+          Expect.isTrue(fullPage.contains('</body></html>'));
+          break;
+        default: throw "Unexpected event $event";
+      }
+      }, onError: (AsyncError a) {
+        Expect.fail("onError handler of RawSecureSocket stream hit: $a");
+      });
+  });
+}