[refactor] Extract the CertVerifyResult assignment of has_md2, has_md4,

net/cert/cert_verify_proc_android.cc

Index: net/cert/cert_verify_proc_android.cc
diff --git a/net/cert/cert_verify_proc_android.cc b/net/cert/cert_verify_proc_android.cc
index 2cb12f75c23bd5ac8cbdf82754158719ff3328a6..cdc8347a1df5a9acb405c814430b81c0766efaab 100644
--- a/net/cert/cert_verify_proc_android.cc
+++ b/net/cert/cert_verify_proc_android.cc
@@ -87,22 +87,7 @@ bool VerifyFromAndroidTrustManager(const std::vector<std::string>& cert_bytes,
   size_t correction_for_root =
       (status == android::CERT_VERIFY_STATUS_ANDROID_OK) ? 1 : 0;
   for (size_t i = 0; i < chain.size() - correction_for_root; ++i) {
-    int sig_alg = OBJ_obj2nid(chain[i]->sig_alg->algorithm);
-    if (sig_alg == NID_md2WithRSAEncryption) {
-      verify_result->has_md2 = true;
-    } else if (sig_alg == NID_md4WithRSAEncryption) {
-      verify_result->has_md4 = true;
-    } else if (sig_alg == NID_md5WithRSAEncryption ||
-               sig_alg == NID_md5WithRSA) {
-      verify_result->has_md5 = true;
-    } else if (sig_alg == NID_sha1WithRSAEncryption ||
-               sig_alg == NID_dsaWithSHA || sig_alg == NID_dsaWithSHA1 ||
-               sig_alg == NID_dsaWithSHA1_2 || sig_alg == NID_sha1WithRSA ||
-               sig_alg == NID_ecdsa_with_SHA1) {
-      verify_result->has_sha1 = true;
-      if (i == 0)
-        verify_result->has_sha1_leaf = true;
-    }
+    FillCertVerifyResultWeakSignature(chain[i], i == 0, verify_result);
   }
 
   // Extract the public key hashes.