This is a regression caused by: http://trac.webkit.org/changeset/48642
Created attachment 40090 [details] Patch to fix Mac Chromium popup menu regression.
Comment on attachment 40090 [details] Patch to fix Mac Chromium popup menu regression. OK. Code change looks fine, but how do we test this? manual tests are OK. They go in WebCore/manual-tests/
There's already a manual popup menu test that I created: WebCore/manual-tests/select-narrow-width.html Note: this is a P0 release blocker for Mac Chromium.
Comment on attachment 40090 [details] Patch to fix Mac Chromium popup menu regression. Clearing flags on attachment: 40090 Committed r48757: <http://trac.webkit.org/changeset/48757>
All reviewed patches have been landed. Closing bug.