Roll src/third_party/skia/ 973d92cf9..a6bf4c54a (1 commit).
Roll src/third_party/skia/ 973d92cf9..a6bf4c54a (1 commit).

https://chromium.googlesource.com/skia.git/+log/973d92cf91b2..a6bf4c54aaa3

$ git log 973d92cf9..a6bf4c54a --date=short --no-merges --format='%ad %ae %s'
2016-01-19 joshualitt This CL moves a bit more logic into GrAtlasTextBlob

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

Review URL: https://codereview.chromium.org/1600923004

Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#370122}

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