Roll src/third_party/shaderc/src 1059f43a379f..06b6db68ff7e (1 commits)

https://chromium.googlesource.com/external/github.com/google/shaderc/+log/1059f43a379f..06b6db68ff7e

git log 1059f43a379f..06b6db68ff7e --date=short --first-parent --format='%ad %ae %s'
2020-03-02 rharrison@google.com Rolling 6 dependencies and updating expectations (#990)

Created with:
  gclient setdep -r src/third_party/shaderc/src@06b6db68ff7e

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/shaderc-chromium-autoroll
Please CC radial-bots+chrome-roll@google.com on the revert to ensure that a human
is aware of the problem.

To report a problem with the AutoRoller itself, please file a bug:
https://bugs.chromium.org/p/skia/issues/entry?template=Autoroller+Bug

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

Bug: None
Tbr: radial-bots+chrome-roll@google.com
Change-Id: Idb6968073363fc86cfd8e9d597bd4a9c203f4d0b
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2083795Reviewed-by: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#746242}

DEPS

@@ -298,7 +298,7 @@ vars = {
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling feed
   # and whatever else without interference from each other.
-  'shaderc_revision': '1059f43a379ff9f1b5d00b8afcc2ec2435f592c4',
+  'shaderc_revision': '06b6db68ff7e20d4f097a132dd56a1c6482e8c25',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling feed
   # and whatever else without interference from each other.