Gardening: update test expectations
Gardening: update test expectations

virtual/slimmingpaint/fast/borders/border-image-side-reduction.html [ XP ]
virtual/deferred/inspector/tracing/timeline-script-tag-1.html [ Mac Linux]

BUG=448440,448442
TEST=
TBR=zmo@chromium.org
NOTRY=true

Review URL: https://codereview.chromium.org/821023004

git-svn-id: bf5cd6ccde378db821296732a091cfbcf5285fbd@188310 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