GTK Tests bot is aborting since >50 are timing out after r265725. https://build.webkit.org/results/GTK%20Linux%2064-bit%20Release%20(Tests)/r265725%20(15265)/results.html I bisected the range [r265723-r265725] and determine r265725 is the revision that introduced the regression.
*** This bug has been marked as a duplicate of bug 215542 ***