Make some HTTP utility functions public

tests/standalone/io/http_date_test.dart

Index: tests/standalone/io/http_date_test.dart
diff --git a/tests/standalone/io/http_date_test.dart b/tests/standalone/io/http_date_test.dart
index f3205ab37833d62bc59e793c5ab16ab7e5dbdae4..be0454db56364efe73700920489aef5e2fe96baa 100644
--- a/tests/standalone/io/http_date_test.dart
+++ b/tests/standalone/io/http_date_test.dart
@@ -17,20 +17,20 @@ part "../../../sdk/lib/io/socket.dart";
 void testParseHttpDate() {
   DateTime date;
   date = new DateTime.utc(1999, DateTime.JUNE, 11, 18, 46, 53, 0);
-  Expect.equals(date, _HttpUtils.parseDate("Fri, 11 Jun 1999 18:46:53 GMT"));
-  Expect.equals(date, _HttpUtils.parseDate("Friday, 11-Jun-1999 18:46:53 GMT"));
-  Expect.equals(date, _HttpUtils.parseDate("Fri Jun 11 18:46:53 1999"));
+  Expect.equals(date, HttpDate.parse("Fri, 11 Jun 1999 18:46:53 GMT"));
+  Expect.equals(date, HttpDate.parse("Friday, 11-Jun-1999 18:46:53 GMT"));
+  Expect.equals(date, HttpDate.parse("Fri Jun 11 18:46:53 1999"));
 
   date = new DateTime.utc(1970, DateTime.JANUARY, 1, 0, 0, 0, 0);
-  Expect.equals(date, _HttpUtils.parseDate("Thu, 1 Jan 1970 00:00:00 GMT"));
+  Expect.equals(date, HttpDate.parse("Thu, 1 Jan 1970 00:00:00 GMT"));
   Expect.equals(date,
-                _HttpUtils.parseDate("Thursday, 1-Jan-1970 00:00:00 GMT"));
-  Expect.equals(date, _HttpUtils.parseDate("Thu Jan  1 00:00:00 1970"));
+                HttpDate.parse("Thursday, 1-Jan-1970 00:00:00 GMT"));
+  Expect.equals(date, HttpDate.parse("Thu Jan  1 00:00:00 1970"));
 
   date = new DateTime.utc(2012, DateTime.MARCH, 5, 23, 59, 59, 0);
-  Expect.equals(date, _HttpUtils.parseDate("Mon, 5 Mar 2012 23:59:59 GMT"));
-  Expect.equals(date, _HttpUtils.parseDate("Monday, 5-Mar-2012 23:59:59 GMT"));
-  Expect.equals(date, _HttpUtils.parseDate("Mon Mar  5 23:59:59 2012"));
+  Expect.equals(date, HttpDate.parse("Mon, 5 Mar 2012 23:59:59 GMT"));
+  Expect.equals(date, HttpDate.parse("Monday, 5-Mar-2012 23:59:59 GMT"));
+  Expect.equals(date, HttpDate.parse("Mon Mar  5 23:59:59 2012"));
 }
 
 void testFormatParseHttpDate() {
@@ -44,9 +44,9 @@ void testFormatParseHttpDate() {
     DateTime date;
     String formatted;
     date = new DateTime.utc(year, month, day, hours, minutes, seconds, 0);
-    formatted = _HttpUtils.formatDate(date);
+    formatted = HttpDate.format(date);
     Expect.equals(expectedFormatted, formatted);
-    Expect.equals(date, _HttpUtils.parseDate(formatted));
+    Expect.equals(date, HttpDate.parse(formatted));
   }
 
   test(1999, DateTime.JUNE, 11, 18, 46, 53, "Fri, 11 Jun 1999 18:46:53 GMT");
@@ -56,32 +56,32 @@ void testFormatParseHttpDate() {
 
 void testParseHttpDateFailures() {
   Expect.throws(() {
-    _HttpUtils.parseDate("");
+    HttpDate.parse("");
   });
   String valid = "Mon, 5 Mar 2012 23:59:59 GMT";
   for (int i = 1; i < valid.length - 1; i++) {
     String tmp = valid.substring(0, i);
     Expect.throws(() {
-      _HttpUtils.parseDate(tmp);
+      HttpDate.parse(tmp);
     });
     Expect.throws(() {
-      _HttpUtils.parseDate(" $tmp");
+      HttpDate.parse(" $tmp");
     });
     Expect.throws(() {
-      _HttpUtils.parseDate(" $tmp ");
+      HttpDate.parse(" $tmp ");
     });
     Expect.throws(() {
-      _HttpUtils.parseDate("$tmp ");
+      HttpDate.parse("$tmp ");
     });
   }
   Expect.throws(() {
-    _HttpUtils.parseDate(" $valid");
+    HttpDate.parse(" $valid");
   });
   Expect.throws(() {
-    _HttpUtils.parseDate(" $valid ");
+    HttpDate.parse(" $valid ");
   });
   Expect.throws(() {
-    _HttpUtils.parseDate("$valid ");
+    HttpDate.parse("$valid ");
   });
 }