Change core lib, dart2js, and more for new optional parameters syntax

tests/standalone/io/http_advanced_test.dart

Index: tests/standalone/io/http_advanced_test.dart
===================================================================
--- tests/standalone/io/http_advanced_test.dart	(revision 13683)
+++ tests/standalone/io/http_advanced_test.dart	(working copy)
@@ -117,7 +117,7 @@
 
   // Set the "Expires" header using the expires property.
   void _expires1Handler(HttpRequest request, HttpResponse response) {
-    Date date = new Date(1999, Date.JUN, 11, 18, 46, 53, 0, isUtc: true);
+    Date date = new Date.utc(1999, Date.JUN, 11, 18, 46, 53, 0);
     response.headers.expires = date;
     Expect.equals(date, response.headers.expires);
     response.outputStream.close();
@@ -126,7 +126,7 @@
   // Set the "Expires" header.
   void _expires2Handler(HttpRequest request, HttpResponse response) {
     response.headers.set("Expires", "Fri, 11 Jun 1999 18:46:53 GMT");
-    Date date = new Date(1999, Date.JUN, 11, 18, 46, 53, 0, isUtc: true);
+    Date date = new Date.utc(1999, Date.JUN, 11, 18, 46, 53, 0);
     Expect.equals(date, response.headers.expires);
     response.outputStream.close();
   }
@@ -159,7 +159,7 @@
     Expect.equals(0, request.cookies.length);
 
     Cookie cookie1 = new Cookie("name1", "value1");
-    Date date = new Date(2014, Date.JAN, 5, 23, 59, 59, 0, isUtc: true);
+    Date date = new Date.utc(2014, Date.JAN, 5, 23, 59, 59, 0);
     cookie1.expires = date;
     cookie1.domain = "www.example.com";
     cookie1.httpOnly = true;
@@ -294,7 +294,7 @@
       Expect.equals(HttpStatus.OK, response.statusCode);
       Expect.equals("Fri, 11 Jun 1999 18:46:53 GMT",
                     response.headers["expires"][0]);
-      Expect.equals(new Date(1999, Date.JUN, 11, 18, 46, 53, 0, isUtc: true),
+      Expect.equals(new Date.utc(1999, Date.JUN, 11, 18, 46, 53, 0),
                     response.headers.expires);
       responses++;
       if (responses == 2) {
@@ -376,7 +376,7 @@
       response.cookies.forEach((cookie) {
         if (cookie.name == "name1") {
           Expect.equals("value1", cookie.value);
-          Date date = new Date(2014, Date.JAN, 5, 23, 59, 59, 0, isUtc: true);
+          Date date = new Date.utc(2014, Date.JAN, 5, 23, 59, 59, 0);
           Expect.equals(date, cookie.expires);
           Expect.equals("www.example.com", cookie.domain);
           Expect.isTrue(cookie.httpOnly);