Add support for using an URL for establishing HTTP connections

runtime/bin/http.dart

Index: runtime/bin/http.dart
diff --git a/runtime/bin/http.dart b/runtime/bin/http.dart
index 8a5097acceaf9c74db8da4be6934dd3378a029d5..6b3527a8191217ee3ed464e856fca821d4a97fec 100644
--- a/runtime/bin/http.dart
+++ b/runtime/bin/http.dart
@@ -234,16 +234,22 @@ interface HttpClient default _HttpClient {
    */
   HttpClientConnection open(String method, String host, int port, String path);
 
+  HttpClientConnection openUrl(String method, Uri url);

[Mads Ager (google), 2012/03/08 08:02:52]

Please add doc comment for all three of these.

[Søren Gjesse, 2012/03/08 08:30:04]

Done.

+
   /**
    * Opens a HTTP connection using the GET method. See [open] for details.
    */
   HttpClientConnection get(String host, int port, String path);
 
+  HttpClientConnection getUrl(Uri url);
+
   /**
    * Opens a HTTP connection using the POST method. See [open] for details.
    */
   HttpClientConnection post(String host, int port, String path);
 
+  HttpClientConnection postUrl(Uri url);
+
   /**
    * Shutdown the HTTP client releasing all resources.
    */