Daniel Freedman 82964dec42 Fix WebComponents tests status ...

- Removed some unnecessary tests
- Accounted for some platform oddities
- Disabled MutationObserver tests for platforms with native MutationObserver

Results:
- 100% green in firefox and chrome
- HTMLTemplateElement errors in CustomElements tests (missing import)
- Expected ShadowDOM webgl errors in Safari 9

2015-12-15 13:53:16 -08:00

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html

Fix WebComponents tests status

2015-12-15 13:53:16 -08:00

runner.html

Dedupe CustomEvent and Event shim constructor

2015-11-05 12:52:35 -08:00