Roll src/third_party/shaderc/src b9a1021d5b7d..c4ba097f066d (2 commits)

https://chromium.googlesource.com/external/github.com/google/shaderc/+log/b9a1021d5b7d..c4ba097f066d


git log b9a1021d5b7d..c4ba097f066d --date=short --no-merges --format='%ad %ae %s'
2019-06-25 52076061+digit-google@users.noreply.github.com Fix BUILD.gn for Chromium build. (#741)
2019-06-25 52076061+digit-google@users.noreply.github.com BUILD.gn fixes for Fuchsia. (#733)


Created with:
  gclient setdep -r src/third_party/shaderc/src@c4ba097f066d

The AutoRoll server is located here: https://autoroll.skia.org/r/shaderc-chromium-autoroll

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.


TBR=radial-bots+chrome-roll@google.com

Change-Id: I433e7c17ebaf34ce2790de03cfcb8da1accc7caf
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1676825Reviewed-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@{#672264}

DEPS

@@ -269,7 +269,7 @@ 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': 'b9a1021d5b7daa639cfe9e54112969bb1bcaa02b',
+  'shaderc_revision': 'c4ba097f066d3a626824b93b4c7ba50f3d315b37',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling feed
   # and whatever else without interference from each other.