Remove proxying support from dart:html

tests/html/html.status

 # 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.
 
 event_test: Skip  # Issue 1996
 webgl_1_test: Skip  # Issue 1495
 xmldocument_test: Skip  # XML in dart:html is incomplete
 xmlelement_test: Skip  # XML in dart:html is incomplete
 measurement_test: Pass, Fail  # Issue 1940
 
@@ skipping 65 matching lines @@
 fileapi_test: Fail          # IE does not support filesystem APIs.
 history_test: Fail
 indexeddb_1_test: Fail
 indexeddb_2_test: Fail
 indexeddb_3_test: Fail
 indexeddb_4_test: Fail
 js_interop_1_test: Fail
 js_interop_2_test: Fail
 js_interop_3_test: Fail
 js_interop_4_test: Fail
-js_interop_func_passing_test: Fail
-js_interop_obj_passing_test: Fail
-js_interop_obj_invoke_test: Fail
-js_interop_element_test: Fail
 measurement_test: Fail
 messageevent_test: Fail
 mutationobserver_test: Fail
 serialized_script_value_test: Fail
 shadow_dom_layout_test: Fail
 shadow_dom_test: Fail
 storage_test: Fail
 svg_3_test: Fail
 websocket_test: Fail
 window_open_test: Skip      # BUG(4016)
@@ skipping 22 matching lines @@
 exceptions_test: Fail      # Uses webkitotifications, no analogue in moz
 fileapi_test: Fail         # FF does not support filesystem APIs.
 indexeddb_1_test: Fail     # Need window.mozIndexedDB instead of window.webkitIndexedDB
 indexeddb_2_test: Fail     # Need window.mozIndexedDB instead of window.webkitIndexedDB
 indexeddb_3_test: Fail     # Need window.mozIndexedDB instead of window.webkitIndexedDB
 indexeddb_4_test: Fail     # Need window.mozIndexedDB instead of window.webkitIndexedDB
 # setup code fails. prepare. (DOM callback has errors) Caught [object Event]
 inner_frame_test: Skip
 js_interop_3_test: Fail
 js_interop_4_test: Fail
-js_interop_func_passing_test: Fail
-js_interop_obj_passing_test: Fail
-js_interop_obj_invoke_test: Fail
-js_interop_element_test: Fail
 # Interfaces not implemented: SVGTests, SVGLangSpace, SVGExternalResourcesRequired, SVGStylable
 svg_3_test: Fail
 svgelement_test: Fail
 svgelement2_test: Fail
 transferables_test: Fail   # Issue 3392.
 websql_test: Fail # FF does not support web SQL
 websocket_test: Pass, Fail # FF 10 is uses MozWebSocket, FF 11 uses WebSocket.
 # Exception... "Access to restricted URI denied" code: "1012" nsresult: "0x805303f4"
 #    (NS_ERROR_DOM_BAD_URI) ...
 xhr_test: Fail
@@ skipping 52 matching lines @@
 [ $compiler == dart2js && $runtime == chrome && $system == windows]
 css_test: Pass, Fail # Issue #2823
 
 [ $compiler == dart2js && $runtime == ff && $system == windows]
 js_interop_2_test: Fail # Issue 4658.
 
 [ $compiler == dart2js && $checked && $browser]
 typed_arrays_range_checks_test: Fail # Issue 3720
 events_test: Fail # Issue 3720
 fileapi_test: Fail # TypeError: Object #<DirectoryEntry> has no method 'get$name'