Roll src/third_party/shaderc/src ec4ea59c6d52..659a8ea9f3a9 (1 commits)

https://chromium.googlesource.com/external/github.com/google/shaderc/+log/ec4ea59c6d52..659a8ea9f3a9

git log ec4ea59c6d52..659a8ea9f3a9 --date=short --no-merges --format='%ad %ae %s'
2019-08-22 9856269+sarahM0@users.noreply.github.com spvc: Add option to inject code to enforce robust-buffer-access

Created with:
  gclient setdep -r src/third_party/shaderc/src@659a8ea9f3a9

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

Bug: None
Change-Id: Iedf19f674638896474120e69a05740d2512fe67b
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1766450Reviewed-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@{#689711}

DEPS

@@ -276,7 +276,7 @@ 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': 'ec4ea59c6d523ee563611651e6a15b1c31ffcd2e',
+  'shaderc_revision': '659a8ea9f3a9829999fed7af1bd86ae590b9a54a',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling feed
   # and whatever else without interference from each other.