Add support for https scheme in dart:io HttpClient.

tests/standalone/io/https_client_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.
 
-#import("dart:io");
-#import("dart:uri");
-#import("dart:isolate");
+import "dart:io";
+import "dart:uri";
+import "dart:isolate";
 
-void testGoogle() {
-  HttpClient client = new HttpClient();
-  var conn = client.get('www.google.com', 80, '/');
-
-  conn.onRequest = (HttpClientRequest request) {
-    request.outputStream.close();
-  };
-  conn.onResponse = (HttpClientResponse response) {
-    Expect.isTrue(response.statusCode < 500);
-    response.inputStream.onData = () {
-      response.inputStream.read();
-    };
-    response.inputStream.onClosed = () {
-      client.shutdown();
-    };
-  };
-  conn.onError = (error) => Expect.fail("Unexpected IO error");
-}
 
 int testGoogleUrlCount = 0;
 void testGoogleUrl() {
   HttpClient client = new HttpClient();
 
   void testUrl(String url) {
     var requestUri = new Uri.fromString(url);
     var conn = client.getUrl(requestUri);
 
     conn.onRequest = (HttpClientRequest request) {
       request.outputStream.close();
     };
     conn.onResponse = (HttpClientResponse response) {
       testGoogleUrlCount++;
       Expect.isTrue(response.statusCode < 500);
       if (requestUri.path.length == 0) {
         Expect.isTrue(response.statusCode != 404);
       }
       response.inputStream.onData = () {
         response.inputStream.read();
       };
       response.inputStream.onClosed = () {
-        if (testGoogleUrlCount == 5) client.shutdown();
+        if (testGoogleUrlCount == 4) client.shutdown();
       };
     };
     conn.onError = (error) => Expect.fail("Unexpected IO error $error");
   }
 
-  testUrl('http://www.google.com');
-  testUrl('http://www.google.com/abc');
-  testUrl('http://www.google.com/?abc');
-  testUrl('http://www.google.com/abc?abc');
-  testUrl('http://www.google.com/abc?abc#abc');
-}
-
-void testInvalidUrl() {
-  HttpClient client = new HttpClient();
-  Expect.throws(
-      () => client.getUrl(new Uri.fromString('ftp://www.google.com')));
+  testUrl('https://www.google.dk');
+  testUrl('https://www.google.dk');
+  testUrl('https://www.google.dk/#q=foo');
+  testUrl('https://www.google.dk/#hl=da&q=foo');
 }
 
 void testBadHostName() {
   HttpClient client = new HttpClient();
-  HttpClientConnection connection =
-      client.get("some.bad.host.name.7654321", 0, "/");
+  HttpClientConnection connection = client.getUrl(
+      new Uri.fromString("https://some.bad.host.name.7654321/"));
   connection.onRequest = (HttpClientRequest request) {
     Expect.fail("Should not open a request on bad hostname");
   };
   ReceivePort port = new ReceivePort();
   connection.onError = (Exception error) {
     port.close();  // We expect onError to be called, due to bad host name.
   };
 }
 
+void InitializeSSL() {
+  var testPkcertDatabase =
+      new Path.fromNative(new Options().script).directoryPath.append('pkcert/');
+  SecureSocket.setCertificateDatabase(testPkcertDatabase.toNativePath());
+}
+
 void main() {
-  testGoogle();
+  InitializeSSL();
   testGoogleUrl();
-  testInvalidUrl();
   testBadHostName();
 }