Roll src/third_party/skia/ ee84fe1e6..ba5b5f517 (3 commits)

https://skia.googlesource.com/skia.git/+log/ee84fe1e6484..ba5b5f517168

$ git log ee84fe1e6..ba5b5f517 --date=short --no-merges --format='%ad %ae %s'
2018-05-18 reed harden line2d effect
2018-05-18 herb Add rules for cmake 3.11 to not error
2018-05-18 reed tweak conservative bounds value to save aberrant cubic

Created with:
  roll-dep src/third_party/skia
BUG=chromium:844457


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;luci.chromium.try:android_optional_gpu_tests_rel;luci.chromium.try:linux_optional_gpu_tests_rel;luci.chromium.try:mac_optional_gpu_tests_rel;luci.chromium.try:win_optional_gpu_tests_rel
TBR=herb@chromium.org

Change-Id: I1cf1c8862775f8a3e3b0fdbc8ef840a2f4d703d9
Reviewed-on: https://chromium-review.googlesource.com/1066783
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@{#560122}