Roll src/third_party/skia/ 0bf59e459..a421112ac (27 commits)

https://skia.googlesource.com/skia.git/+log/0bf59e459772..a421112ac4a9

$ git log 0bf59e459..a421112ac --date=short --no-merges --format='%ad %ae %s'
2018-03-14 egdaniel Reland "Add back missing unique key checks when creating CachedBitmap/Image Proxies"
2018-02-07 herb Add glyph cache warming - prototype
2018-03-14 rmistry Revert "Scale the GPU when running perf on Pixel(2)"
2018-03-14 ethannicholas fixed SkSL SPIR-V vector comparisons
2018-03-14 herb Add accessor and less for raw glyph ID and WS
2018-03-14 csmartdalton Add incompleteShortIntPrecision to SkSL StandaloneShaderCaps
2018-03-14 kjlubick Scale the GPU when running perf on Pixel(2)
2018-03-14 benjaminwagner Revert "Update clang_win to yesterday's build (from Chromium)."
2018-03-14 egdaniel Revert "Improve handling of GrPixelConfig in GrBackendTex/RT ctors"
2018-03-14 benjaminwagner Revert "Add Win x86 Clang Perf/Test jobs."
2018-03-14 reed hide SkBlurMaskFilter and SkBlurQuality
2018-03-14 herb Experiment: relax 4 byte alignment for glyph images
2018-03-14 egdaniel Revert "Add back missing unique key checks when creating CachedBitmap/Image Proxies"
2018-03-14 benjaminwagner Revert "Switch Win Exceptions Build to Clang."
2018-03-14 benjaminwagner Remove Goma builds and support in gn_flavor.
2018-03-14 angle-skia-autoroll Roll skia/third_party/externals/angle2/ fccebffe6..87db7c524 (4 commits)
2018-03-14 csmartdalton ccpr: Add an attenuation parameter to triangle corners
2018-03-07 csmartdalton Add a shader cap for incomplete short int precision
2018-03-14 skcms-skia-autoroll Roll skia/third_party/externals/skcms/ 6cecdee60..2b5c77024 (1 commit)
2018-03-14 kjlubick Cleanup TODO in gen_tasks
2018-03-13 benjaminwagner Switch Win Exceptions Build to Clang.
2018-03-12 benjaminwagner Add Win x86 Clang Perf/Test jobs.
2018-03-14 robertphillips Provide promise images when rendering SKPs w/ DDL
2018-03-14 bsalomon Ensure that GrGpu state tracking is initialized before making a backend RT/Tex in tests
2018-03-14 reed add explicit API to know if the writebuffer is using its external storage
2018-03-13 egdaniel Improve handling of GrPixelConfig in GrBackendTex/RT ctors
2018-03-14 egdaniel Add back missing unique key checks when creating CachedBitmap/Image Proxies

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=stephana@chromium.org

Change-Id: I4e1e818eb011996e4eabc4dd2f873edb556500ac
Reviewed-on: https://chromium-review.googlesource.com/963305Reviewed-by: skia-chromium-autoroll <skia-chromium-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com>
Commit-Queue: Ravi Mistry <rmistry@chromium.org>
Commit-Queue: Florin Malita <fmalita@chromium.org>
Cr-Commit-Position: refs/heads/master@{#543230}

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': '0bf59e459772df75df6d9fc8720368cab077746f',
+  'skia_revision': 'a421112ac4a9836b2dc910a55d3139de12a1654b',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.