Roll src/third_party/skia/ 8da9e9407..e393a6294 (10 commits)

https://skia.googlesource.com/skia.git/+log/8da9e9407211..e393a629491e

$ git log 8da9e9407..e393a6294 --date=short --no-merges --format='%ad %ae %s'
2017-03-10 reed disable assert until I can understand why it fails in cc_unittests
2017-03-10 jvanverth Add new test cases for Android shadow sample.
2017-03-10 brianosman Revert "Treat cross context images as Ganesh-created resources"
2017-03-10 bungeman Fix SkFILEStream.
2017-03-10 reed Check for bad bounds in picture cullbounds
2017-03-10 brianosman Treat cross context images as Ganesh-created resources
2017-03-10 benjaminwagner Rename GalaxyS7 to include model number.
2017-03-10 fmalita Revert "Revert "Hold sk_sp<GrAtlasTextBlob> refs in GrTextBlobCache instead of raw ptrs""
2017-03-10 fmalita Fix SkTHashTable dangling values
2017-03-10 reed re-guard against negative dimensions on no-draw canvas

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
TBR=djsollen@chromium.org

Change-Id: Ic80781b6bb184afa2f6862488cd5574314f6f0e0
Reviewed-on: https://chromium-review.googlesource.com/452673Reviewed-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@{#456206}

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': '8da9e940721168143d6296f578b6d7423de55d69',
+  'skia_revision': 'e393a629491e9a52dd6662983d2bfd424541957e',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.