Roll src/third_party/boringssl/src c947efabc..3743aafda

https://boringssl.googlesource.com/boringssl/+log/c947efabcbc38dcf93e8ad0e6a76206cf0ec8072..3743aafdacff2f7b083615a043a37101f740fa53

The following commits have update notes:
  ca3f243cf Require non-NULL store in X509_STORE_CTX_init.
  6d70353ca Const-correct X509V3_CONF_METHOD.
  49e9f67d8 Bump OPENSSL_VERSION_NUMBER to 1.1.1.
  6ad3b46b2 Remove ASN1_STRING_length_set.
  1c58648f1 Remove sxnet and pkey_usage_period extensions.
  9372f38cd Bound RSA and DSA key sizes better.

Bug: none
Change-Id: Ice42742981210fc8fa2302a5ae09080abd3d9ae3
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2431451
Commit-Queue: Steven Valdez <svaldez@chromium.org>
Commit-Queue: David Benjamin <davidben@chromium.org>
Auto-Submit: Steven Valdez <svaldez@chromium.org>
Reviewed-by: David Benjamin <davidben@chromium.org>
Cr-Commit-Position: refs/heads/master@{#810707}

DEPS

@@ -222,7 +222,7 @@ vars = {
   #
   # Note this revision should be updated with
   # third_party/boringssl/roll_boringssl.py, not roll-dep.
-  'boringssl_revision': 'c947efabcbc38dcf93e8ad0e6a76206cf0ec8072',
+  'boringssl_revision': '3743aafdacff2f7b083615a043a37101f740fa53',
   # 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.

third_party/boringssl/BUILD.generated.gni

@@ -95,6 +95,7 @@ crypto_sources = [
   "src/crypto/digest_extra/digest_extra.c",
   "src/crypto/dsa/dsa.c",
   "src/crypto/dsa/dsa_asn1.c",
+  "src/crypto/dsa/internal.h",
   "src/crypto/ec_extra/ec_asn1.c",
   "src/crypto/ec_extra/ec_derive.c",
   "src/crypto/ec_extra/hash_to_curve.c",
@@ -278,12 +279,10 @@ crypto_sources = [
   "src/crypto/x509v3/v3_pci.c",
   "src/crypto/x509v3/v3_pcia.c",
   "src/crypto/x509v3/v3_pcons.c",
-  "src/crypto/x509v3/v3_pku.c",
   "src/crypto/x509v3/v3_pmaps.c",
   "src/crypto/x509v3/v3_prn.c",
   "src/crypto/x509v3/v3_purp.c",
   "src/crypto/x509v3/v3_skey.c",
-  "src/crypto/x509v3/v3_sxnet.c",
   "src/crypto/x509v3/v3_utl.c",
   "src/third_party/fiat/curve25519_32.h",
   "src/third_party/fiat/curve25519_64.h",

third_party/boringssl/BUILD.generated_tests.gni

@@ -39,6 +39,7 @@ crypto_test_sources = [
   "src/crypto/compiler_test.cc",
   "src/crypto/constant_time_test.cc",
   "src/crypto/cpu-arm-linux_test.cc",
+  "src/crypto/crypto_test.cc",
   "src/crypto/curve25519/ed25519_test.cc",
   "src/crypto/curve25519/spake25519_test.cc",
   "src/crypto/curve25519/x25519_test.cc",
@@ -144,6 +145,12 @@ crypto_test_data = [
   "src/crypto/hpke/hpke_test_vectors.txt",
   "src/crypto/poly1305/poly1305_tests.txt",
   "src/crypto/siphash/siphash_tests.txt",
+  "src/crypto/x509/test/basic_constraints_ca.pem",
+  "src/crypto/x509/test/basic_constraints_ca_pathlen_0.pem",
+  "src/crypto/x509/test/basic_constraints_ca_pathlen_1.pem",
+  "src/crypto/x509/test/basic_constraints_ca_pathlen_10.pem",
+  "src/crypto/x509/test/basic_constraints_leaf.pem",
+  "src/crypto/x509/test/basic_constraints_none.pem",
   "src/crypto/x509/test/invalid_extension_intermediate.pem",
   "src/crypto/x509/test/invalid_extension_intermediate_authority_key_identifier.pem",
   "src/crypto/x509/test/invalid_extension_intermediate_basic_constraints.pem",