Roll src/third_party/glslang/src 2dd4ab3a4acb..6e384fef6c0f (2 commits)

https://chromium.googlesource.com/external/github.com/KhronosGroup/glslang/+log/2dd4ab3a4acb..6e384fef6c0f


git log 2dd4ab3a4acb..6e384fef6c0f --date=short --no-merges --format='%ad %ae %s'
2019-05-10 cepheus@frii.com Build: Fix 3 warnings.
2019-05-10 johnkslang@users.noreply.github.com Merge pull request #1761 from KhronosGroup/SPIR-V_1.4


Created with:
  gclient setdep -r src/third_party/glslang/src@6e384fef6c0f

The AutoRoll server is located here: https://autoroll.skia.org/r/glslang-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,jonahr@google.com

Change-Id: I66867f9bf9f437a237dbee31161e589c61a5c670
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1605218Reviewed-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@{#658552}

DEPS

@@ -896,7 +896,7 @@ deps = {
   },
 
   'src/third_party/glslang/src':
-    Var('chromium_git') + '/external/github.com/KhronosGroup/glslang.git' + '@' + '2dd4ab3a4acba413ca6fe7585dab1c149d028000',
+    Var('chromium_git') + '/external/github.com/KhronosGroup/glslang.git' + '@' + '6e384fef6c0fcd99395502217737be87b37e2218',
 
   'src/third_party/google_toolbox_for_mac/src': {
       'url': Var('chromium_git') + '/external/github.com/google/google-toolbox-for-mac.git' + '@' + Var('google_toolbox_for_mac_revision'),