[Webkit-unassigned] [Bug 91766] didFirstVisuallyNonEmptyLayout() callback not fired when about:blank page is modified

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=91766





--- Comment #1 from Adam Barth <abarth at webkit.org>  2012-07-19 12:09:59 PST ---
We need to understand the intent of this callback.  It's possible it's just part of the loading lifecycle and should always fire sometime after Commit and before DOMContentLoaded or Loaded.

> w.document.innerHTML += "foo"

It's not clear to me whether this should fire didFirstVisuallyNonEmptyLayout().  In this case, w might finish loading entirely before this line of code executes.

> the callback is not fired at all when using window.open(slow_url

That definitely sounds like a bug.  It should fire at some deterministic time in the lifecycle.

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