Roll src/third_party/skia/ b915b978e..2fb7c8aef (10 commits)

https://skia.googlesource.com/skia.git/+log/b915b978e3c3..2fb7c8aef57e

$ git log b915b978e..2fb7c8aef --date=short --no-merges --format='%ad %ae %s'
2018-02-06 jvanverth Cleanup of large text rendering.
2018-02-06 djsollen Move location of skqp in the site heirarchy.
2018-02-06 update-docs Update markdown files
2018-02-06 reed move GrColor.h to private, IWYU
2018-02-06 skcms-skia-autoroll Roll skia/third_party/externals/skcms/ 1ea5993d9..6fd3bac65 (1 commit)
2018-02-06 caryclark fix bookmaker nightly
2018-02-06 angle-skia-autoroll Roll skia/third_party/externals/angle2/ 44dcb911c..2d1c0a2b8 (1 commit)
2018-02-06 kjlubick Promote perf bots to CQ
2018-02-06 rmistry Graduate Android Framework Compile bot to be a full CQ bot
2018-02-05 bsalomon Remove integer texture support

Created with:
  roll-dep src/third_party/skia


The AutoRoll server is located here: https://autoroll.skia.org

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

If the roll is causing failures, please contact the current sheriff, who should
be CC'd on the roll, and stop the roller if necessary.


CQ_INCLUDE_TRYBOTS=master.tryserver.blink:linux_trusty_blink_rel;master.tryserver.chromium.linux:linux_optional_gpu_tests_rel;master.tryserver.chromium.mac:mac_optional_gpu_tests_rel;master.tryserver.chromium.win:win_optional_gpu_tests_rel
TBR=bsalomon@chromium.org

Change-Id: Id8ecff2e5e502b6909b99a9881bde3a85b0ea6fe
Reviewed-on: https://chromium-review.googlesource.com/904857
Commit-Queue: skia-chromium-autoroll <skia-chromium-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com>
Reviewed-by: skia-chromium-autoroll <skia-chromium-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#534762}

DEPS

@@ -79,7 +79,7 @@ vars = {
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling Skia
   # and whatever else without interference from each other.
-  'skia_revision': 'b915b978e3c34e7ded50e1433cbc9e342bb71404',
+  'skia_revision': '2fb7c8aef57e4b94d5215e618d8c3b4cccd35edf',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.