Adding IE support to browser prefixes.

tests/html/html.status

Index: tests/html/html.status
diff --git a/tests/html/html.status b/tests/html/html.status
index 37154c225fc96537f72a4138fb9e25712f090fe2..f023469c03be2a78dd690de446e58c9580be4647 100644
--- a/tests/html/html.status
+++ b/tests/html/html.status
@@ -51,7 +51,6 @@ 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
@@ -104,7 +103,6 @@ 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
@@ -112,7 +110,6 @@ 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.
@@ -202,9 +199,6 @@ indexeddb_3_test: Fail  # Caught Error: DATA_ERR: DOM IDBDatabase Exception 5 Er
 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