Floats should not use physical terminology for their rects. Replace left/Top with x and y.
Created attachment 80953 [details] Patch
Fixed in r77403.
http://trac.webkit.org/changeset/77403 might have broken GTK Linux 32-bit Release The following tests are not passing: editing/selection/find-yensign-and-backslash.html http/tests/websocket/tests/handshake-fail-by-sub-protocol-mismatch.html