Gardening: Rebaseline pixel tests on Linux & Mac after clang roll
Gardening: Rebaseline pixel tests on Linux & Mac after clang roll

BUG=463358
NOTRY=TRUE
TBR=hans@chromium.org,alancutter@chromium.org,dpranke@chromium.org

Review URL: https://codereview.chromium.org/970853007

git-svn-id: bf5cd6ccde378db821296732a091cfbcf5285fbd@191343 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