Roll src/third_party/skia/ 62efdbde9..81b630007 (2 commits).
Roll src/third_party/skia/ 62efdbde9..81b630007 (2 commits).

https://chromium.googlesource.com/skia.git/+log/62efdbde9987..81b630007bf3

$ git log 62efdbde9..81b630007 --date=short --no-merges --format='%ad %ae %s'
2016-05-18 bsalomon Revert of Don't allow uncacheable paths in tessellated path renderer (patchset #2 id:20001 of https://codereview.chromium.org/1990793003/ )
2016-05-18 benjaminwagner Fix example code in skpaint.md.

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

Review-Url: https://codereview.chromium.org/1995773003
Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#394592}

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