Roll src/third_party/skia/ 3ebd050be..eb00475d2 (4 commits).
Roll src/third_party/skia/ 3ebd050be..eb00475d2 (4 commits).

https://chromium.googlesource.com/skia.git/+log/3ebd050be551..eb00475d2335

$ git log 3ebd050be..eb00475d2 --date=short --no-merges --format='%ad %ae %s'
2016-02-09 bsalomon Use skstd::remove_pointer_t in GrGLFunction GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1684513003
2016-02-09 fmalita Relocate anisotropic mipmap logic to SkMipMap::extractLevel()
2016-02-09 mtklein skeleton for float <-> half optimized procs
2016-02-09 fmalita Use min scale when selecting mip level

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

Review URL: https://codereview.chromium.org/1682643003

Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#374435}

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