Remove proxying support from dart:html

tests/html/js_interop_func_passing_test.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('JsInteropFuncPassingTest');
-#import('../../pkg/unittest/unittest.dart');
-#import('../../pkg/unittest/html_config.dart');
-#import('dart:html');
-#import('dart:isolate');
-
-injectSource(code) {
-  final script = new ScriptElement();
-  script.type = 'text/javascript';
-  script.innerHTML = code;
-  document.body.nodes.add(script);
-}
-
-var dartToJsTest = """
-  var port = new ReceivePortSync();
-  port.receive(function (f) {
-    return f('fromJS');
-  });
-  window.registerPort('test1', port.toSendPort());
-""";
-
-var jsToDartTest = """
-  var port1 = window.lookupPort('test2a');
-  var result = port1.callSync(function (x) {
-    return x*2;
-  });
-  
-  var port2 = window.lookupPort('test2b');
-  port2.callSync(result);
-""";
-
-var dartToJsToDartTest = """
-  var port = new ReceivePortSync();
-  port.receive(function (f) {
-    return f;
-  });
-  window.registerPort('test3', port.toSendPort());
-""";
-
-main() {
-  useHtmlConfiguration();
-
-  test('dart-to-js-function', () {
-    injectSource(dartToJsTest);
-
-    SendPortSync port = window.lookupPort('test1');
-    var result = port.callSync((msg) {
-      Expect.equals('fromJS', msg);
-      return 'received';
-    });
-    Expect.equals('received', result);
-  });
-
-  test('js-to-dart-function', () {
-    var port1 = new ReceivePortSync();
-    int invoked1 = 0;
-    port1.receive((f) {
-      ++invoked1;
-      var data = f(21);
-      expect(data, equals(42));
-      return 'fromDart';
-    });
-    window.registerPort('test2a', port1.toSendPort());
-
-    var port2 = new ReceivePortSync();
-    int invoked2 = 0;
-    port2.receive((x) {
-      ++invoked2;
-      expect(x, equals('fromDart'));
-    });
-    window.registerPort('test2b', port2.toSendPort());
-
-    injectSource(jsToDartTest);
-
-    expect(1, equals(invoked1));
-    expect(1, equals(invoked2));
-  });
-
-  test('dart-to-js-to-dart-function', () {
-    injectSource(dartToJsToDartTest);
-    
-    validate(x) {
-      expect(x, equals('fromCaller'));
-      return 'fromCallee';
-    }
-
-    SendPortSync port = window.lookupPort('test3');
-    var f = port.callSync(validate);
-    var result = f('fromCaller');
-    Expect.equals('fromCallee', result);
-    
-  });
-}