Roll src/third_party/skia/ a1bb8e02f..483739219 (1 commit).
Roll src/third_party/skia/ a1bb8e02f..483739219 (1 commit).

https://chromium.googlesource.com/skia.git/+log/a1bb8e02fe79..48373921917d

$ git log a1bb8e02f..483739219 --date=short --no-merges --format='%ad %ae %s'
2015-12-13 update-skps Update SKP version

CQ_INCLUDE_TRYBOTS=tryserver.blink:linux_blink_rel
TBR=joshualitt@google.com

Review URL: https://codereview.chromium.org/1519393002

Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#364947}

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