Mark some virtua/slimmingpaint/fast/block/ tests as NeedsRebaseline on XP.
Mark some virtua/slimmingpaint/fast/block/ tests as NeedsRebaseline on XP.

BUG=476907
TBR=mlamouri@chromium.org
NOTRY=true

Review URL: https://codereview.chromium.org/1083603004

git-svn-id: bf5cd6ccde378db821296732a091cfbcf5285fbd@193692 bbb929c8-8fbe-4397-9dbb-9b2b20218538

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