Remove Resource class and support functions.

runtime/bin/builtin.dart

Index: runtime/bin/builtin.dart
diff --git a/runtime/bin/builtin.dart b/runtime/bin/builtin.dart
index feb26a91a6d65f89a1dbc7b561ca2f5c5992868e..76617ba46f05e2a18bc08f9ab4fa7c4b62e7f1fd 100644
--- a/runtime/bin/builtin.dart
+++ b/runtime/bin/builtin.dart
@@ -635,17 +635,6 @@ String _resolveUri(String base, String userString) {
 }
 
 
-// Handling of Resource class by dispatching to the load port.
-Future<List<int>> _resourceReadAsBytes(Uri uri) {
-  var completer = new Completer<List<int>>();
-  // Request the load of the resource associating the completer as the context
-  // for the load.
-  _loadData(_Dart_kResourceLoad, uri.toString(), uri, completer);

[Ivan Posva, 2015/10/05 12:49:19]

This was the only active use of the _Dart_kResourceLoa tag, please remove other
remaining uses of it.

-  // Return the future that will be triggered once the resource has been loaded.
-  return completer.future;
-}
-
-
 // Embedder Entrypoint (gen_snapshot):
 // Resolve relative paths relative to working directory.
 String _resolveInWorkingDirectory(String fileName) {
@@ -761,5 +750,4 @@ _extensionPathFromUri(String userUri) {
 // Register callbacks and hooks with the rest of the core libraries.
 _setupHooks() {
   _setupCompleted = true;
-  VMLibraryHooks.resourceReadAsBytes = _resourceReadAsBytes;
 }