Make the HttpParser and HttpUtil classes private

tests/standalone/src/io/HttpParserTest.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");
+#source("../../../../runtime/bin/http_parser.dart");
 
 class HttpParserTest {
   static void runAllTests() {
     testParseRequest();
     testParseResponse();
   }
 
   static void _testParseRequest(String request,
                                 String expectedMethod,
                                 String expectedUri,
                                 [int expectedContentLength = 0,
                                  int expectedBytesReceived = 0,
                                  Map expectedHeaders = null,
                                  bool chunked = false]) {
-    HttpParser httpParser;
+    _HttpParser httpParser;
     bool headersCompleteCalled;
     bool dataEndCalled;
     String method;
     String uri;
     Map headers;
     int contentLength;
     int bytesReceived;
 
     void reset() {
-      httpParser = new HttpParser();
+      httpParser = new _HttpParser();
       httpParser.requestStart = (m, u) { method = m; uri = u; };
       httpParser.responseStart = (s, r) { Expect.fail("Expected request"); };
       httpParser.headerReceived = (f, v) {
         Expect.isFalse(headersCompleteCalled);
         headers[f] = v;
       };
       httpParser.headersComplete = () {
         Expect.isFalse(headersCompleteCalled);
         if (!chunked) {
           Expect.equals(expectedContentLength, httpParser.contentLength);
@@ skipping 54 matching lines @@
     testWrite(requestData, 1);
   }
 
   static void _testParseResponse(String response,
                                  int expectedStatusCode,
                                  String expectedReasonPhrase,
                                  [int expectedContentLength = 0,
                                   int expectedBytesReceived = 0,
                                   Map expectedHeaders = null,
                                   bool chunked = false]) {
-    HttpParser httpParser;
+    _HttpParser httpParser;
     bool headersCompleteCalled;
     bool dataEndCalled;
     int statusCode;
     String reasonPhrase;
     Map headers;
     int contentLength;
     int bytesReceived;
 
     void reset() {
-      httpParser = new HttpParser();
+      httpParser = new _HttpParser();
       httpParser.requestStart = (m, u) => Expect.fail("Expected response");
       httpParser.responseStart = (s, r) {
         statusCode = s;
         reasonPhrase = r;
       };
       httpParser.headerReceived = (f, v) {
         Expect.isFalse(headersCompleteCalled);
         headers[f] = v;
       };
       httpParser.headersComplete = () {
@@ skipping 226 matching lines @@
 0123456789012345678901234567890\r
 0\r\n\r\n""";
     _testParseResponse(response, 200, "OK", -1, 57, null, true);
   }
 }
 
 
 void main() {
   HttpParserTest.runAllTests();
 }