Narrow suppression of animation tests to MacOS

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.
 
 interactive_test: Skip # Must be run manually.
 dromaeo_smoke_test: Skip # Issue 14521, 8257
 cross_frame_test: Skip # Test reloads itself. Issue 18558
 
 [ $compiler == none && ($runtime == drt || $runtime == dartium || $runtime == ContentShellOnAndroid) ]
 custom/attribute_changed_callback_test/unsupported_on_polyfill: Fail # Issue 18931 (Disabled for Chrome 35 roll)
@@ skipping 84 matching lines @@
 speechrecognition_test/supported: Fail # TODO(dart2js-team): Please triage this failure.
 speechrecognition_test/types: Fail # TODO(dart2js-team): Please triage this failure.
 xhr_test/json: Fail # TODO(dart2js-team): Please triage this failure.
 
 [ $runtime == safarimobilesim ]
 element_offset_test/offset: RuntimeError # Issue 18573
 element_types_test/supported_meter: RuntimeError # Issue 18573
 
 [ $runtime == chrome ]
 touchevent_test/supported: Fail # Touch events are only supported on touch devices
+
+[ $runtime == chrome && $system == macos ]
 element_animate_test/omit_timing: Skip # Timing out on MacOS. Issue 23507
 element_animate_test/timing_dict: Skip # Timing out on MacOS. Issue 23507
 
 [$runtime == drt || $runtime == dartium || $runtime == chrome || $runtime == chromeOnAndroid || $runtime == ContentShellOnAndroid ]
 webgl_1_test: Pass, Fail # Issue 8219
 
 [ $compiler == none && ($runtime == drt || $runtime == dartium) && $system == windows]
 websql_test: Skip # Issue 4941: stderr contains a backtrace.
 
 [ $compiler == none && ($runtime == drt || $runtime == dartium) && $mode == debug]
@@ skipping 14 matching lines @@
 deferred_multi_app_htmltest: Skip # Times out on IE.  Issue 21537
 localstorage_test: Pass, RuntimeError # Issue 22166
 storage_test: Pass, RuntimeError # Issue 22166
 postmessage_structured_test/more_primitives: Fail # Does not support the MessageEvent constructor.
 notification_test/supported_notification: Fail # Notification not supported on IE
 event_test: RuntimeError # Issue 23437. Only three failures, but hard to break them out.
 wheelevent_test: RuntimeError # Issue 23437
 text_event_test: RuntimeError # Issue 23437
 
 [$runtime == ie10 || $runtime == ie11 || ($runtime == chrome && $system == macos)]
 transition_event_test/functional: Skip # Times out. Issue 22167

[Bill Hesse, 2015/05/27 08:00:33]

Can we copy these two lines to the new chrome macos section, and to the above ie
section, and drop this section?  I think it is cleaner.

[Alan Knight, 2015/05/27 17:35:13]

Done.

 request_animation_frame_test: Skip # Times out. Issue 22167
 
 [$runtime == ie10 ]
 # IE10 Feature support statuses-
 # All changes should be accompanied by platform support annotation changes.
 audiobuffersourcenode_test/supported: Fail
 audiocontext_test/supported: Fail
 crypto_test/supported: Fail
 css_test/supportsPointConversions: Fail
 document_test/supports_cssCanvasContext: Fail
@@ skipping 401 matching lines @@
 wheelevent_test: Crash # Instance of 'TypeOperator': type casts not implemented.
 window_eq_test: Crash # Instance of 'TypeOperator': type casts not implemented.
 window_mangling_test: Crash # Instance of 'TypeOperator': type casts not implemented.
 window_nosuchmethod_test: Crash # Instance of 'TypeOperator': type casts not implemented.
 window_test: Crash # Instance of 'TypeOperator': type casts not implemented.
 worker_api_test: Crash # Instance of 'TypeOperator': type casts not implemented.
 worker_test: Crash #  try/finally
 xhr_cross_origin_test: Crash #  try/finally
 xhr_test: Crash #  try/finally
 xsltprocessor_test: Crash #  try/finally