Roll src-internal from 38f6d78eae8f to d21d9e8681bc (2 revisions)

https://chrome-internal.googlesource.com/chrome/src-internal.git/+log/38f6d78eae8f..d21d9e8681bc

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://skia-autoroll.corp.goog/r/src-internal-chromium-autoroll
Please CC mxcai@google.com,mahmadi@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

Cq-Include-Trybots: luci.chrome.try:linux-chromeos-chrome
Bug: chromium:1081649,chromium:1100278
Tbr: mxcai@google.com,mahmadi@google.com
Change-Id: Ib69942f61138041997fb61e0abee6f2fa89e6025
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2466820Reviewed-by: chromium-internal-autoroll <chromium-internal-autoroll@skia-corp.google.com.iam.gserviceaccount.com>
Commit-Queue: chromium-internal-autoroll <chromium-internal-autoroll@skia-corp.google.com.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#816404}

DEPS

@@ -1558,7 +1558,7 @@ deps = {
     Var('chromium_git') + '/v8/v8.git' + '@' +  Var('v8_revision'),
 
   'src-internal': {
-    'url': 'https://chrome-internal.googlesource.com/chrome/src-internal.git@38f6d78eae8f1689bb293e81cb4f3691fcd1750b',
+    'url': 'https://chrome-internal.googlesource.com/chrome/src-internal.git@d21d9e8681bc4dbb1d14e7003660cda92f627253',
     'condition': 'checkout_src_internal',
   },