Roll shaderc from 7d2f8c57ee3e to b4a735cc1ada (1 revision)

https://chromium.googlesource.com/external/github.com/google/shaderc/+log/7d2f8c57ee3e..b4a735cc1ada

2020-05-26 rharrison@google.com Rolling 4 dependencies and expectations (#1074)

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/+doc/master/autoroll/README.md

Tbr: radial-bots+chrome-roll@google.com
Change-Id: I3bde52413d9ccaac13bc450cdba02570ed204dc9
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2216161Reviewed-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@{#771842}

DEPS

@@ -297,7 +297,7 @@ 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': '7d2f8c57ee3eff68ca2ae17d9d067de63bfe344d',
+  'shaderc_revision': 'b4a735cc1adadd57068c083989e5a345fab4a250',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling feed
   # and whatever else without interference from each other.