REGRESSION (r191499): Tab content "jumps" down when focusing tabs that load in the background
Created attachment 281610 [details] Patch
It should be possible to write an API test that ensures that top content inset/view state changes are deferred until endDeferringViewInWindowChanges. Will try that at some point.
Comment on attachment 281610 [details] Patch Any way to test this?
(In reply to comment #3) > Comment on attachment 281610 [details] > Patch > > Any way to test this? That's what the comment above yours is about. I'm going to land this, but also make a test because I think it should be straightforward.
http://trac.webkit.org/changeset/202230
Test: https://bugs.webkit.org/show_bug.cgi?id=158947