Roll shaderc from e258cf5e7aa9 to 88f9156d7f6a (1 revision)

https://chromium.googlesource.com/external/github.com/google/shaderc/+log/e258cf5e7aa9..88f9156d7f6a

2020-11-12 dneto@google.com Replace C-style cast with static_cast

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: I7628e8a60aa9fce7ebb81ae63fafc31da892c5a9
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2535993Reviewed-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@{#827040}

DEPS

@@ -320,7 +320,7 @@ 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': 'e258cf5e7aa9d4d5a26367b928b70a2d0365491c',
+  'shaderc_revision': '88f9156d7f6a2a30baed1ace196faa3bc5eccc05',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling feed
   # and whatever else without interference from each other.