Roll src/third_party/skia/ 24dd687ac..f6bfccd56 (2 commits).
Roll src/third_party/skia/ 24dd687ac..f6bfccd56 (2 commits).

https://chromium.googlesource.com/skia.git/+log/24dd687ac5f7..f6bfccd562f4

$ git log 24dd687ac..f6bfccd56 --date=short --no-merges --format='%ad %ae %s'
2016-02-25 benjaminwagner Cleanups related to SkFixed.
2016-02-25 robertphillips Mv DRRect drawing code from GrDrawContext into SkGpuDevice

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

Review URL: https://codereview.chromium.org/1734153002

Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#377690}

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