Test output: http://build.webkit.org/results/EFL%20Linux%2064-bit%20Release%20WK2/r169373%20%2814777%29/retries/fast/canvas/webgl/css-webkit-canvas-repaint-diffs.html
Closing this bug because the EFL port has been removed from trunk. If you feel this bug applies to a different upstream WebKit port and was closed in error, please either update the title and reopen the bug, or leave a comment to request this.