Disable flaky scrollbars/overflow-scrollbar-combinations.html
Disable flaky scrollbars/overflow-scrollbar-combinations.html

BUG=552494
TBR=vmpstr@chromium.org

Review URL: https://codereview.chromium.org/1407123012 .

Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#358371}

axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk