Adding IE support to browser prefixes.

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 33 matching lines @@
 form_data_test: Fail # Issue 4793.
 form_element_test: Fail # Issue 4793.
 typed_arrays_1_test: Skip   # ie9 does not have typed arrays.
 typed_arrays_2_test: Skip
 typed_arrays_3_test: Skip
 typed_arrays_4_test: Skip
 typed_arrays_5_test: Skip
 typed_arrays_arraybuffer_test: Skip
 typed_arrays_dataview_test: Skip
 typed_arrays_range_checks_test: Fail
-cssstyledeclaration_test: Fail
 element_test: Fail
 localstorage_test: Fail
 node_test: Fail
 svgelement_test: Fail
 svgelement2_test: Fail
 websql_test: Fail # IE does not support web SQL
 #
 # Investigate and triage the following into bug reports.
 #
 audiocontext_test: Fail
@@ skipping 32 matching lines @@
 window_open_test: Skip      # BUG(4016)
 xsltprocessor_test: Skip    # BUG(4016)
 isolates_test: Skip         # BUG(4016)
 xhr_test: Skip              # BUG(4016)
 xhr_cross_origin_test: Skip # TODO(vsm): Triage XHR on IE.
 js_interop_1_test: Pass, Fail # BUG(4631)
 
 
 [ $runtime == safari ]
 canvas_pixel_array_type_alias_test: Fail # Caught TypeError: 'undefined' is not a function
-cssstyledeclaration_test: Fail
 node_test: Fail
 svgelement_test: Fail
 svgelement2_test: Fail
 
 [ $runtime == ff ]
 audiocontext_test: Fail      # FF only has Audio element
 css_test: Fail               # No analog to WebKitCSSMatrix
-cssstyledeclaration_test: Fail
 callbacks_test: Fail         # (webkit|moz|ms)RequestAnimationFrame
 canvas_test: Fail            # No setFillColor() method.  Use fillstyle attribute instead.
 canvas_using_html_test: Fail # No setFillColor() method.  Use fillstyle attribute instead.
 dart_object_local_storage_test: Skip  # sessionStorage NS_ERROR_DOM_NOT_SUPPORTED_ERR
 documentfragment_test: Fail
 element_test: Fail
 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
@@ skipping 69 matching lines @@
 
 [ $compiler == dart2js && ($runtime == drt || $runtime == chrome || $runtime == ff) ]
 isolates_test: Skip   # Timeout because leg does not support web workers.
 typed_arrays_1_test: Fail # dart2js doesn't support is checks with generic types.
 
 [ $compiler == dart2js && $runtime == ff && $system == linux]
 indexeddb_3_test: Fail  # Caught Error: DATA_ERR: DOM IDBDatabase Exception 5 Error: The data provided does not meet the requirements of the function.
 localstorage_test: Fail
 mutationobserver_test: Fail  #  Bots have FF 13, will pass on FF 14.
 
-[ $compiler == dart2js && $runtime == chrome ]
-cssstyledeclaration_test: Fail # Issue 4777
-
 [ $compiler == dart2js && $runtime == ff ]
 cache_test: Fail # Expectation: ApplicationCache. Caught NoSuchMethodException : method not found: 'get$status'
 xhr_test: Skip # Timeout
 inner_frame_test: Skip # Timeout
 svg_3_test: Skip # Timeout
 documentfragment_test: Skip # Timeout
 
 [ $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.