Updating html.status for XHR JSON test

tests/html/html.status

 # 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.
 
 async_window_test: Skip #TODO(gram): investigating
 event_test: Skip  # Issue 1996
 interactive_test: Skip # Must be run manually.
 
 [ $compiler == dart2js && $runtime != drt ]
 custom/*: Skip
@@ skipping 122 matching lines @@
 speechrecognition_test/supported: Fail
 svgelement_test/supported_altGlyph: Fail
 svgelement_test/supported_animate: Fail
 svgelement_test/supported_animateMotion: Fail
 svgelement_test/supported_animateTransform: Fail
 svgelement_test/supported_foreignObject: Fail
 svgelement_test/supported_set: Fail
 touchevent_test/supported: Fail
 webgl_1_test/supported: Fail
 websql_test/supported: Fail
+xhr_test/json: Fail # IE10 returns string, not JSON object
 xhr_test/supported_HttpRequestProgressEvent: Fail
 xhr_test/supported_overrideMimeType: Fail
 xsltprocessor_test/supported: Fail
 
+
 [ $runtime == ie9 ]
 isolates_test: Timeout # Issue 13027
 blob_constructor_test: Fail
 document_test/document: Pass, Fail # BUG(9654) need per-instance patching
 dom_constructors_test: Fail
 dromaeo_smoke_test: Skip #TODO(efortuna): investigating.
 element_test/click: Fail                # IE does not support firing this event.
 form_element_test: Fail # Issue 4793.
 localstorage_test: Fail
 microtask_test: Pass, Fail # http://dartbug.com/8300
 postmessage_structured_test: Skip   # BUG(5685): times out.
 serialized_script_value_test: Fail
 url_test: Fail              # IE9 does not support createObjectURL (it is supported in IE10)
 canvasrenderingcontext2d_test/drawImage_video_element: Fail # IE does not support drawImage w/ video element
 canvasrenderingcontext2d_test/drawImage_video_element_dataUrl: Fail # IE does not support drawImage w/ video element
 canvasrenderingcontext2d_test/drawImage_image_element: Pass, Fail # Issue: 11416
 input_element_test/attributes: Fail # IE returns null while others ''
 xhr_cross_origin_test: Skip # Issue 12920
+xhr_test/json: Fail # IE9 returns null because of unsupported type
 
 # IE9 Feature support statuses-
 # All changes should be accompanied by platform support annotation changes.
 audiobuffersourcenode_test/supported: Fail
 audiocontext_test/supported: Fail
 cache_test/supported: Fail
 crypto_test/supported: Fail
 css_test/supportsPointConversions: Fail
 document_test/supports_cssCanvasContext: Fail
 element_types_test/supported_content: Fail
@@ skipping 96 matching lines @@
 input_element_test/supported_datetime-local: Fail
 media_stream_test/supported_MediaStreamEvent: Fail
 media_stream_test/supported_MediaStreamTrackEvent: Fail
 media_stream_test/supported_media: Fail
 notifications_test/supported: Fail
 performance_api_test/supported: Fail
 rtc_test/supported: Fail
 shadow_dom_test/supported: Fail
 speechrecognition_test/supported: Fail
 touchevent_test/supported: Fail
+xhr_test/json: Fail # Safari doesn't support JSON response type
 
 [ $runtime == opera ]
 blob_constructor_test: Fail
 canvas_test: Fail
 canvas_test: Pass,Fail
 cssstyledeclaration_test: Fail
 document_test/document: Fail # Issue: 7413
 element_add_test: Fail
 element_constructor_1_test: Fail
 element_test/children: Fail # Issue: 7413
@@ skipping 80 matching lines @@
 event_customevent_test: Fail       # Test cannot run under CSP restrictions.
 js_interop_1_test: Skip            # Test cannot run under CSP restrictions (times out).
 js_interop_2_test: Fail, OK        # Test cannot run under CSP restrictions.
 js_interop_3_test: Skip            # Test cannot run under CSP restrictions (times out).
 js_test: Skip                      # Test cannot run under CSP restrictions (times out).
 postmessage_structured_test: Skip  # Test cannot run under CSP restrictions (times out).
 safe_dom_test: Skip                # Test cannot run under CSP restrictions (times out).
 
 [ $compiler == dart2js && $runtime == drt ]
 wheelevent_test: Fail # http://dartbug.com/12958