Roll src/third_party/skia/ 49fd5d5b7..bad5ad7d6 (3 commits)

https://skia.googlesource.com/skia.git/+log/49fd5d5b7407..bad5ad7d601b

$ git log 49fd5d5b7..bad5ad7d6 --date=short --no-merges --format='%ad %ae %s'
2017-08-03 caryclark canvas include checkpoint
2017-08-03 skia-deps-roller Roll skia/third_party/externals/angle2/ d2d0b30e1..13c0dd463 (2 commits)
2017-08-03 skia-deps-roller Roll skia/third_party/externals/angle2/ a0bcc50be..d2d0b30e1 (1 commit)

Created with:
  roll-dep src/third_party/skia


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

If the roll is causing failures, see:
http://www.chromium.org/developers/tree-sheriffs/sheriff-details-chromium#TOC-Failures-due-to-DEPS-rolls


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;master.tryserver.chromium.android:android_optional_gpu_tests_rel
TBR=liyuqian@chromium.org

Change-Id: I9dd10b388d17d1081f73cd05b0bbba28f88bf520
Reviewed-on: https://chromium-review.googlesource.com/600775Reviewed-by: Skia Deps Roller <skia-deps-roller@chromium.org>
Commit-Queue: Skia Deps Roller <skia-deps-roller@chromium.org>
Cr-Commit-Position: refs/heads/master@{#491921}

DEPS

@@ -40,7 +40,7 @@ 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': '49fd5d5b74075a48eda83d732f4ae0d172b81cab',
+  'skia_revision': 'bad5ad7d601b217396ed17ba914172323d62cfe5',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.