Files
sdk/runtime/observatory/web
Ryan Macnak a91cc6c701 [observatory] Remove use of custom elements.
document.registerElement is going away soon, and dart2js never implemented window.customElements.define.

Replace the inheritance with composition for each FooElement.

When used to create a DOM tree, replace `new FooElement()` with `new FooElement().element`.

In CSS, replace each custom element selector with a class selector, i.e. `foo-element` with `.foo-element`.

Bug: https://github.com/dart-lang/sdk/issues/34107
Change-Id: Id5ab5b6104a6165a8ad3b01d73ee9d76e46024ed
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/101061
Reviewed-by: Ben Konyi <bkonyi@google.com>
Commit-Queue: Ryan Macnak <rmacnak@google.com>
2019-05-08 18:23:26 +00:00
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