Roll src/third_party/skia/ 097900648..8b059bd94 (17 commits; 1 trivial rolls)

https://skia.googlesource.com/skia.git/+log/097900648b0b..8b059bd946d9

$ git log 097900648..8b059bd94 --date=short --no-merges --format='%ad %ae %s'
2017-09-28 egdaniel Revert "Update GrBitmapTextureMaker for handling mipped requests"
2017-09-28 geofflang Always read half-float textures as GL_HALF_FLOAT in ES3.
2017-09-28 herb Reorganize blur filter to insert new implementation
2017-09-28 scroggo Avoid uninitialized memory in readByteArrayAsData
2017-09-28 jvanverth Miscellaneous dynamic atlas fixes.
2017-09-28 egdaniel Update GrBitmapTextureMaker for handling mipped requests
2017-09-28 csmartdalton Remove tolerance form SkClassifyCubic
2017-09-28 csmartdalton CCPR: Handle very large paths
2017-09-28 csmartdalton Add svg support to pathfinder tool
2017-09-27 mtklein Move context types into STAGE() macros.
2017-09-28 cblume Remove unused param to SkGIFFrameContext ctor
2017-09-28 brianosman Revert "Revert "Revert "Make threaded proxy generation MDB-friendly, and defer instantiation"""
2017-09-27 mtklein Always zero vectors in start_pipeline().
2017-09-28 benjaminwagner Fix job name in PRESUBMIT.py.
2017-09-28 brianosman Revert "Revert "Make threaded proxy generation MDB-friendly, and defer instantiation""
2017-09-28 mtklein Also mask t itself in mask_2pt_conical_degenerates.

Created with:
  roll-dep src/third_party/skia
BUG=765953


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=jvanverth@chromium.org

Change-Id: Idc039c79f9de9af429654c315f8742fb4e1e4013
Reviewed-on: https://chromium-review.googlesource.com/691076Reviewed-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@{#505199}

DEPS

@@ -45,7 +45,7 @@ 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': '097900648b0b65500c3de8f5403347bada70ae94',
+  'skia_revision': '8b059bd946d9f14607f6d2e8b966267dd8e5a54d',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.