Test suppressions and fixes for WheelEvent and related changes.

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 228 matching lines @@
 touchevent_test/supported: Fail # IE does not support TouchEvents
 webgl_1_test/functional: Fail
 websql_test/supported: Fail
 xhr_test/json: Fail # IE10 returns string, not JSON object
 xsltprocessor_test/supported: Fail
 
 [ $runtime == ie10 ]
 custom/document_register_type_extensions_test/construction: Fail # Issue 13193
 custom/element_upgrade_test: Fail # Issue 18247
 worker_api_test: Fail # IE does not support URL.createObjectURL in web workers.
+event_test: RuntimeError # Issue 23437. Only three failures, but hard to break them out.
 
 [ $compiler == dart2js && $runtime == drt && $unchecked ]
 audiocontext_test/functional: Pass, Fail
 
 [ $runtime == safari || $runtime == safarimobilesim ]
 worker_api_test: Skip # Issue 13221
 webgl_1_test: Pass, Fail # Issue 8219
 canvasrenderingcontext2d_test/drawImage_video_element: Fail # Safari does not support drawImage w/ video element
 canvasrenderingcontext2d_test/drawImage_video_element_dataUrl: Fail # Safari does not support drawImage w/ video element
 element_test: Pass, Fail # Issue 21434
@@ skipping 289 matching lines @@
 wheelevent_test : Crash # Instance of 'TypeOperator': type casts not implemented.
 window_eq_test : Crash # Instance of 'TypeOperator': type check unimplemented for Iterable.
 window_mangling_test : Crash # Instance of 'TypeOperator': type check unimplemented for Iterable.
 window_nosuchmethod_test : Crash # Instance of 'TypeOperator': type check unimplemented for Iterable.
 window_test : Crash # Instance of 'TypeOperator': type check unimplemented for Iterable.
 worker_api_test : Crash # Instance of 'TypeOperator': type casts not implemented.
 worker_test : Crash # bailout: (try {body();}catch (e,trace){var stack=(trace==null)?'':': ${trace.toString()}';environment.uncaughtErrorMessage="${e.toString()}${stack}";}finally {environment.currentContext=environment.currentContext.parent;}): try/finally
 xhr_cross_origin_test : Crash # bailout: (try {body();}catch (e,trace){var stack=(trace==null)?'':': ${trace.toString()}';environment.uncaughtErrorMessage="${e.toString()}${stack}";}finally {environment.currentContext=environment.currentContext.parent;}): try/finally
 xhr_test : Crash # bailout: (try {body();}catch (e,trace){var stack=(trace==null)?'':': ${trace.toString()}';environment.uncaughtErrorMessage="${e.toString()}${stack}";}finally {environment.currentContext=environment.currentContext.parent;}): try/finally
 xsltprocessor_test : Crash # bailout: (try {body();}catch (e,trace){var stack=(trace==null)?'':': ${trace.toString()}';environment.uncaughtErrorMessage="${e.toString()}${stack}";}finally {environment.currentContext=environment.currentContext.parent;}): try/finally