Roll src-internal from b6bb943fc2f8 to 12ffc2536244 (3 revisions)

https://chrome-internal.googlesource.com/chrome/src-internal.git/+log/b6bb943fc2f8..12ffc2536244

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,xialinyan@google.com on the revert to ensure that a human
is aware of the problem.

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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:1106954,chromium:1118191
Tbr: mxcai@google.com,xialinyan@google.com
Change-Id: Id52b92434bac210da552c8bb2063a5347704655a
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2368094Reviewed-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@{#800456}

DEPS

@@ -1542,7 +1542,7 @@ deps = {
     Var('chromium_git') + '/v8/v8.git' + '@' +  Var('v8_revision'),
 
   'src-internal': {
-    'url': 'https://chrome-internal.googlesource.com/chrome/src-internal.git@b6bb943fc2f8c79790085d26eb3807ddb11dbcf5',
+    'url': 'https://chrome-internal.googlesource.com/chrome/src-internal.git@12ffc25362441c9f3a210c70130613de11f4bdbc',
     'condition': 'checkout_src_internal',
   },