Don't always make backing store for -webkit-backface-visibility:hidden
Created attachment 230563 [details]
Comment on attachment 230563 [details]
Attachment 230563 [details] did not pass mac-wk2-ews (mac-wk2):
New failing tests:
Created attachment 230566 [details]
Archive of layout-test-results from webkit-ews-13 for mac-mountainlion-wk2
The attached test failures were seen while running run-webkit-tests on the mac-wk2-ews.
Bot: webkit-ews-13 Port: mac-mountainlion-wk2 Platform: Mac OS X 10.8.5
Created attachment 230575 [details]
Archive of layout-test-results from webkit-ews-06 for mac-mountainlion
The attached test failures were seen while running run-webkit-tests on the mac-ews.
Bot: webkit-ews-06 Port: mac-mountainlion Platform: Mac OS X 10.8.5
Created attachment 230602 [details]
Comment on attachment 230602 [details]
This caused a regression, as bug 132801.