Merge the dart:uri library into dart:core and update the Uri class

tests/compiler/dart2js/simple_inferrer_no_such_method_test.dart

 // Copyright (c) 2013, 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.
 
 import 'package:expect/expect.dart';
 
 import 'compiler_helper.dart';
 import 'parser_helper.dart';
 
 const String TEST1 = """
@@ skipping 75 matching lines @@
   test6();
   test7();
   test8();
   test9();
   test10();
   test11();
 }
 """;
 
 main() {
-  Uri uri = new Uri.fromComponents(scheme: 'source');
+  Uri uri = new Uri(scheme: 'source');
 
   var compiler = compilerFor(TEST1, uri);
   compiler.runCompiler(uri);
   var typesInferrer = compiler.typesTask.typesInferrer;
 
   checkReturn(String name, type) {
     var element = findElement(compiler, name);
     Expect.equals(
         type,
         typesInferrer.internal.returnTypeOf[element].simplify(compiler),
@@ skipping 21 matching lines @@
   // inferrer thinks Object.noSuchMethod return null. Once we track
   // aborting control flow in the analysis, we won't get the nullable
   // anymore.
   checkReturn('test6', typesInferrer.numType.nullable());
   checkReturn('test7', typesInferrer.intType);
   checkReturn('test8', typesInferrer.intType);
   checkReturn('test9', typesInferrer.intType);
   checkReturn('test10', typesInferrer.numType);
   checkReturn('test11', typesInferrer.doubleType);
 }