Remove <iframe seamless> support.
Seamless iframes were behind a runtime flag that we never enabled, and the only other engine that implemented them (Blink) recently removed them. Since the feature is very invasive, let's take it out for now.
Created attachment 223180 [details] Patch
Attachment 223180 [details] did not pass style-queue: ERROR: ChangeLog:1: ChangeLog entry has no bug number [changelog/bugnumber] [5] Total errors found: 1 in 29 files If any of these errors are false positives, please file a bug against check-webkit-style.
Created attachment 223181 [details] Patch
Created attachment 223182 [details] Patch
Created attachment 223189 [details] Patch
Comment on attachment 223189 [details] Patch Attachment 223189 [details] did not pass mac-wk2-ews (mac-wk2): Output: http://webkit-queues.appspot.com/results/6745889108393984 New failing tests: platform/mac/accessibility/seamless-iframe.html
Created attachment 223197 [details] Archive of layout-test-results from webkit-ews-14 for mac-mountainlion-wk2 The attached test failures were seen while running run-webkit-tests on the mac-wk2-ews. Bot: webkit-ews-14 Port: mac-mountainlion-wk2 Platform: Mac OS X 10.8.5
Created attachment 223204 [details] Patch
Comment on attachment 223204 [details] Patch Clearing flags on attachment: 223204 Committed r163427: <http://trac.webkit.org/changeset/163427>
All reviewed patches have been landed. Closing bug.