Roll src/third_party/boringssl/src 12fe1b25e..ac8302a09

DEPS

 # This file is used to manage the dependencies of the Chromium src repo. It is
 # used by gclient to determine what version of each dependency to check out, and
 # where.
 #
 # For more information, please refer to the official documentation:
 #   https://sites.google.com/a/chromium.org/dev/developers/how-tos/get-the-code
 #
 # When adding a new dependency, please update the top-level .gitignore file
 # to list the dependency's destination directory.
 #
@@ skipping 45 matching lines @@
   # the commit queue can handle CLs rolling PDFium
   # and whatever else without interference from each other.
   'pdfium_revision': 'a2b3ae23556fb2f1adbc008574f33bf365476af9',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling openmax_dl
   # and whatever else without interference from each other.
   'openmax_dl_revision': '22bb1085a6a0f6f3589a8c3d60ed0a9b82248275',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling BoringSSL
   # and whatever else without interference from each other.
-  'boringssl_revision': '12fe1b25ead258858309d22ffa9e1f9a316358d7',
+  'boringssl_revision': 'ac8302a092e8e232dbabf5a01eff5dd37671b5c8',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling nss
   # and whatever else without interference from each other.
   'nss_revision': 'aab0d08a298b29407397fbb1c4219f99e99431ed', # from svn revision 295435
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling google-toolbox-for-mac
   # and whatever else without interference from each other.
   'google_toolbox_for_mac_revision': 'ce47a231ea0b238fbe95538e86cc61d74c234be6', # from svn revision 705
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling lighttpd
@@ skipping 727 matching lines @@
     'pattern': '.',
     'action': [
         'python',
         'src/tools/check_git_config.py',
         '--running-as-hook',
     ],
   },
 ]