Sean Feng

So should we look for `shadow root with delegateFocus` and also `non shadow host` here?

So now Firefox has the dialog element in Nightly and pursuing to keep moving it forward, Can we merge the changes here?

Good to hear that this can be possibly changed, FWIW, I'll help out with tests.

We are trying to make this happen :) - [x] At least two implementers are interested (and none opposed): * Firefox is interested * Chrome sounds also flexible for this...

I didn't go through the [webkit's discussion](https://www.w3.org/Bugs/Public/show_bug.cgi?id=23366) because it was a long thread.....However, it looks like the recent agreement on that is this [comment](https://github.com/whatwg/html/issues/1929#issuecomment-272527090) made @cookiecrook, so I don't think...

oh I see ``` (rr) p aNode->IsContent() [FATAL src/AutoRemoteSyscalls.cc:554:child_recvmsg() errno: EIO] (task 1880531 (rec:1815446) at time 0) -> Assertion `errno == ESRCH' failed to hold. Error writing 0 in 1880531...

Just to reillustrate my question in the call - Looks like in the current proposal, documents can broadcast any entries which means entries that were broadcasted from a different window...

> What I meant to say is that given that the information can be shared by other means, there's no security benefit from blocking its broadcast. (but there may be...

I want to raise some similar issues. For example [this LCP test](https://github.com/web-platform-tests/wpt/blob/master/largest-contentful-paint/first-paint-equals-lcp-text.html#L30) assumes the `first-paint` is always implemented, and also [this one](https://github.com/web-platform-tests/wpt/blob/16914b8918f293e9a1d8dac515da70e862099c34/scheduler/task-controller-setPriority-delayed-task.any.js#L20-L22) (which is not a feature that browsers don't...

Ah right, I missed that one, sorry! Though I am still not sure whether the boolean attribute is the right approach or not. The original comment from Alex also mentions...