Revert "Roll src/third_party/skia/ d8d984ecc..4355b26b3 (14 commits)"

This reverts commit 67329635.

Reason for revert: Suspect of breaking a number of mac bots.

For example:
https://build.chromium.org/p/chromium.mac/builders/Mac10.11%20Tests/builds/20401



Original change's description:
> Roll src/third_party/skia/ d8d984ecc..4355b26b3 (14 commits)
> 
> https://skia.googlesource.com/skia.git/+log/d8d984ecc99d..4355b26b359d
> 
> $ git log d8d984ecc..4355b26b3 --date=short --no-merges --format='%ad %ae %s'
> 2017-11-15 csmartdalton Fold analytic clip FPs into GrReducedClip
> 2017-11-15 csmartdalton Fix precision caps and rrect/ellipse effect precisions
> 2017-11-16 angle-deps-roller Roll skia/third_party/externals/angle2/ 4d1469315..39644feeb (2 commits)
> 2017-11-16 angle-deps-roller Roll skia/third_party/externals/angle2/ 0acb268c9..4d1469315 (1 commit)
> 2017-11-15 bsalomon Use GrContextFactories that produce a single GrContext in unit tests.
> 2017-11-15 reed rename overloaded methods as speculative fix/diagnostic
> 2017-11-15 benjaminwagner Remove Win7/Win8 Perf-Release jobs.
> 2017-11-15 egdaniel Revert "Add private grpixelconfigs for alpha_8 and alpha_half"
> 2017-11-15 egdaniel Revert "Nit clean up to add private GrPixelConfig CL"
> 2017-11-15 benjaminwagner Remove/move remaining Win2k8 GCE jobs.
> 2017-11-15 egdaniel Nit clean up to add private GrPixelConfig CL
> 2017-11-15 vmpstr Ensure that removing last extension from GrGLExtension doesn't assert.
> 2017-11-15 bsalomon Remove support for image load/store
> 2017-11-15 egdaniel Add private grpixelconfigs for alpha_8 and alpha_half
> 
> 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=brianosman@chromium.org
> 
> Change-Id: Iebb2f097a4e08a0c213c0f8b14ee2b52e6ab494f
> Reviewed-on: https://chromium-review.googlesource.com/773449
> Reviewed-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@{#517013}

TBR=skia-deps-roller@chromium.org,brianosman@google.com

Change-Id: Ie7621352d252e2df58fef599b3a33a55100f9da6
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
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
Reviewed-on: https://chromium-review.googlesource.com/774598
Commit-Queue: Guido Urdaneta <guidou@chromium.org>
Reviewed-by: Guido Urdaneta <guidou@chromium.org>
Cr-Commit-Position: refs/heads/master@{#517064}

DEPS

@@ -74,7 +74,7 @@ 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': '4355b26b359d5f2597a10012e7eb11fb3a1f025b',
+  'skia_revision': 'd8d984ecc99d8b7fc37a742e22acbe831f315142',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.