Remove Resource class and support functions.

runtime/bin/builtin.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.
 
 library builtin;
 // NOTE: Do not import 'dart:io' in builtin.
 import 'dart:async';
 import 'dart:collection';
 import 'dart:_internal';
 import 'dart:isolate';
@@ skipping 617 matching lines @@
   } else {
     result = baseUri.resolve(userString).toString();
   }
   if (_traceLoading) {
     _log('Resolved $userString in $base to $result');
   }
   return result;
 }
 
 
-// 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) {
   if (!_setupCompleted) {
     _setupHooks();
   }
   if (_workingDirectory == null) {
     throw 'No current working directory set.';
   }
   var name = _sanitizeWindowsPath(fileName);
@@ skipping 95 matching lines @@
   path = _filePathFromUri(path);
   var filename = _platformExtensionFileName(name);
 
   return [path, filename, name];
 }
 
 
 // Register callbacks and hooks with the rest of the core libraries.
 _setupHooks() {
   _setupCompleted = true;
-  VMLibraryHooks.resourceReadAsBytes = _resourceReadAsBytes;
 }