Add CertIssuerSourceAia: authorityInfoAccess fetching for CertPathBuilder.

net/data/cert_issuer_source_aia_unittest/target_one_aia.pem

Index: net/data/cert_issuer_source_aia_unittest/target_one_aia.pem
diff --git a/net/data/cert_issuer_source_aia_unittest/target_one_aia.pem b/net/data/cert_issuer_source_aia_unittest/target_one_aia.pem
new file mode 100644
index 0000000000000000000000000000000000000000..5a39351409344c9908f8367e75fcc6170b21f8e6
--- /dev/null
+++ b/net/data/cert_issuer_source_aia_unittest/target_one_aia.pem
@@ -0,0 +1,88 @@
+Certificate:
+    Data:
+        Version: 3 (0x2)
+        Serial Number: 1 (0x1)
+    Signature Algorithm: sha256WithRSAEncryption
+        Issuer: CN=I
+        Validity
+            Not Before: Jan  1 12:00:00 2015 GMT
+            Not After : Jan  1 12:00:00 2016 GMT
+        Subject: CN=target
+        Subject Public Key Info:
+            Public Key Algorithm: rsaEncryption
+                Public-Key: (2048 bit)
+                Modulus:
+                    00:c3:57:fc:a6:e3:f8:7c:ce:52:67:cb:85:33:fe:
+                    a5:f4:89:5e:63:f9:4a:d9:6a:57:8c:7f:bd:08:e3:
+                    e8:81:10:aa:e1:de:b7:ac:16:07:99:86:c8:be:5e:
+                    3b:01:20:10:3a:ba:b6:06:d6:c2:8d:13:29:f8:36:
+                    ef:c4:12:75:81:c2:e4:d7:70:ad:10:46:20:5c:44:
+                    96:0f:d8:c4:b9:1d:83:47:70:68:21:79:bd:1c:29:
+                    fa:78:82:a8:10:38:29:da:df:23:d3:e3:27:e9:27:
+                    d9:e4:d8:6d:c8:ad:ec:c6:a9:a9:5f:0e:e7:bf:d8:
+                    1e:22:bb:23:64:29:f5:df:cf:a1:ef:a5:ec:78:4b:
+                    ee:c0:38:85:30:f9:c4:b3:9b:d1:0a:94:e0:d0:3c:
+                    24:93:63:31:02:7c:fb:f2:ce:df:ec:f0:8e:ec:00:
+                    19:31:c2:e0:88:84:51:5a:21:30:81:37:83:b6:be:
+                    6d:e0:44:55:15:3f:82:f2:99:f9:3c:0d:08:31:84:
+                    93:6b:62:91:77:1f:1d:c8:10:9a:34:2a:ec:3a:ec:
+                    d6:08:00:e2:36:9f:10:a2:bf:10:6c:01:b3:2b:25:
+                    59:00:93:3e:20:d0:16:99:f2:9e:34:63:9a:98:6c:
+                    49:94:8e:29:f1:f3:95:d5:cc:e8:42:08:1c:81:e3:
+                    9f:19
+                Exponent: 65537 (0x10001)
+        X509v3 extensions:
+            X509v3 Subject Key Identifier: 
+                B9:4F:A8:D5:34:AF:24:93:17:4F:2F:FB:6D:84:48:26:B2:CB:BD:30
+            X509v3 Authority Key Identifier: 
+                keyid:4A:3F:36:DB:AC:83:60:8A:A2:E9:24:25:39:A0:47:00:C2:71:E3:FE
+
+            Authority Information Access: 
+                CA Issuers - URI:http://url-for-aia/I.cer
+
+            X509v3 CRL Distribution Points: 
+
+                Full Name:
+                  URI:http://url-for-crl/I.crl
+
+            X509v3 Key Usage: critical
+                Digital Signature, Key Encipherment
+            X509v3 Extended Key Usage: 
+                TLS Web Server Authentication, TLS Web Client Authentication
+    Signature Algorithm: sha256WithRSAEncryption
+         af:21:6d:c3:bf:e0:01:a9:5d:81:4a:fe:5c:3d:47:e4:b7:fb:
+         89:69:16:53:42:0c:22:56:98:44:7f:73:a5:5a:8e:03:f2:9a:
+         c4:a5:4c:7a:f2:db:ea:6a:b3:55:8b:c4:dd:4b:45:f2:f5:a3:
+         a2:77:36:82:c0:4f:2e:a1:67:c7:a6:b7:96:0e:bb:59:19:bc:
+         92:a5:9f:fc:ea:42:13:2a:b0:40:c2:57:97:44:67:05:d5:77:
+         a8:f4:cb:50:6e:0d:94:a5:a2:3f:6a:69:6f:83:1c:7f:fb:a0:
+         8a:13:1d:fa:1b:5f:a7:27:0b:6a:9a:f1:d4:33:c5:06:a2:06:
+         96:ae:79:5d:58:49:e6:ec:5f:48:2b:05:08:9e:b5:63:c4:28:
+         ee:bb:43:d0:50:69:ec:4c:58:22:ff:10:38:8d:b0:ec:1d:c5:
+         c5:3e:ea:61:ea:3b:6c:73:8b:44:fe:db:ff:be:4b:89:22:15:
+         82:cc:8c:2e:8e:ca:2b:56:28:67:e9:df:23:c2:3d:da:db:97:
+         bb:f7:bd:fc:d9:9d:c9:b0:39:73:4d:10:aa:3a:8c:c1:c8:57:
+         6b:f3:d8:e1:c6:cd:3b:dc:81:52:0a:f5:d2:0a:03:68:34:a3:
+         09:67:a4:c3:0f:ef:7e:3e:f4:0f:bf:dc:b4:f9:50:79:bd:78:
+         5a:ea:4c:35
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----