Currently a class attribute change invalidates style for the entire element subtree for any class found in the active stylesheet set. We should determine exactly which descendants are affected and invalidate just those.
Created attachment 271002 [details]
Comment on attachment 271002 [details]
Attachment 271002 [details] did not pass mac-ews (mac):
New failing tests:
Created attachment 271006 [details]
Archive of layout-test-results from ews103 for mac-yosemite
The attached test failures were seen while running run-webkit-tests on the mac-ews.
Bot: ews103 Port: mac-yosemite Platform: Mac OS X 10.10.5
Created attachment 271007 [details]
Created attachment 271012 [details]
Created attachment 271014 [details]
Comment on attachment 271014 [details]
View in context: https://bugs.webkit.org/attachment.cgi?id=271014&action=review
r=me, very cool :)
> + Make this is a member.
Make this is a typo.