Add CertIssuerSourceAia: authorityInfoAccess fetching for CertPathBuilder.

net/data/cert_issuer_source_aia_unittest/i.pem

Index: net/data/cert_issuer_source_aia_unittest/i.pem
diff --git a/net/data/cert_issuer_source_aia_unittest/i.pem b/net/data/cert_issuer_source_aia_unittest/i.pem
new file mode 100644
index 0000000000000000000000000000000000000000..3b75df358aa62c6310c4449cc42baabde9bd79f6
--- /dev/null
+++ b/net/data/cert_issuer_source_aia_unittest/i.pem
@@ -0,0 +1,88 @@
+Certificate:
+    Data:
+        Version: 3 (0x2)
+        Serial Number: 2 (0x2)
+    Signature Algorithm: sha256WithRSAEncryption
+        Issuer: CN=Root
+        Validity
+            Not Before: Jan  1 12:00:00 2015 GMT
+            Not After : Jan  1 12:00:00 2016 GMT
+        Subject: CN=I
+        Subject Public Key Info:
+            Public Key Algorithm: rsaEncryption
+                Public-Key: (2048 bit)
+                Modulus:
+                    00:b5:e8:71:e7:b5:df:bb:21:d3:c0:0f:1a:19:d7:
+                    44:16:1b:b3:57:12:9c:73:16:fc:42:28:38:87:c6:
+                    f8:12:16:3b:3b:c4:1d:54:0d:5e:30:32:84:b3:89:
+                    6d:d0:a9:e0:46:84:70:e1:e2:2f:e2:d8:9d:d8:a6:
+                    a9:2f:2a:e1:13:59:1b:e1:1e:fe:f6:31:62:55:9a:
+                    ee:5f:05:4c:5a:97:ce:2e:05:cb:cd:06:df:ee:ef:
+                    50:0f:7b:29:1b:5d:2f:94:8a:75:02:70:a1:8b:a3:
+                    ac:06:10:8f:26:f0:23:19:08:e9:7c:c3:ee:77:98:
+                    72:03:4b:c3:ce:ff:c5:de:5e:62:4b:ff:62:71:eb:
+                    65:5a:1f:90:cd:4e:ef:fa:53:71:d4:fb:31:84:bc:
+                    99:40:4b:5c:6c:9b:be:bd:ac:43:77:3b:9d:6a:02:
+                    37:de:b6:e5:c2:6a:d5:2e:a9:87:28:6a:37:69:fa:
+                    6b:2c:b1:8a:2f:b6:07:97:9d:9d:b6:2d:ec:22:33:
+                    da:98:eb:fd:39:35:49:24:a6:05:dc:c9:5c:74:cb:
+                    61:46:8c:44:33:99:e5:30:e7:5f:73:c9:13:ad:6f:
+                    90:df:d1:4e:fe:fd:04:26:fd:10:7d:79:db:8d:5c:
+                    ea:99:77:37:97:cd:9d:ee:7e:17:0d:f9:71:1c:80:
+                    55:69
+                Exponent: 65537 (0x10001)
+        X509v3 extensions:
+            X509v3 Subject Key Identifier: 
+                5D:B4:73:AA:1B:60:10:9E:0C:BC:16:BB:A4:0A:58:0D:B6:28:0E:04
+            X509v3 Authority Key Identifier: 
+                keyid:0B:35:14:81:E3:D0:95:6E:A1:38:0E:3D:04:9D:D5:04:3E:6B:24:13
+
+            Authority Information Access: 
+                CA Issuers - URI:http://url-for-aia/Root.cer
+
+            X509v3 CRL Distribution Points: 
+
+                Full Name:
+                  URI:http://url-for-crl/Root.crl
+
+            X509v3 Key Usage: critical
+                Certificate Sign, CRL Sign
+            X509v3 Basic Constraints: critical
+                CA:TRUE
+    Signature Algorithm: sha256WithRSAEncryption
+         af:eb:e6:42:80:33:c4:34:71:f9:d3:fe:57:4f:99:d9:2c:be:
+         c1:7f:c2:3c:3e:78:fc:48:50:8d:5a:34:3d:9d:d2:10:f5:10:
+         e6:3f:64:04:f6:48:57:73:f8:6b:08:2c:35:c9:47:4e:4b:47:
+         10:8d:d6:c5:ab:f5:86:7b:80:c3:9d:04:a2:d8:65:cb:61:78:
+         a2:08:1b:a2:90:08:06:90:c0:76:e3:b5:7e:94:cc:1d:38:a4:
+         d1:21:32:3b:af:29:56:4d:d8:7c:7e:44:1a:0a:c5:33:f5:6f:
+         6b:67:11:be:6e:ec:58:7c:6e:c7:ad:f5:37:f9:5d:26:2c:90:
+         2e:9a:ae:c7:48:ed:a8:2f:aa:57:da:3a:c9:b3:5e:60:96:90:
+         96:13:8c:9f:75:59:6c:e6:e0:62:8f:71:f0:26:8f:fc:4f:9e:
+         d8:0a:42:de:5d:31:32:56:25:00:5a:0f:2f:3c:db:8b:8d:a3:
+         aa:be:07:48:ec:45:63:51:d7:10:3b:d8:a5:af:20:5e:72:4e:
+         6e:8e:86:07:ed:5d:7a:bb:ea:b5:3e:d3:7b:4d:15:9e:b9:68:
+         a2:46:38:37:11:a5:4b:80:9d:8c:38:2b:7d:b8:0d:f4:c4:ee:
+         28:af:b3:16:87:2e:79:ab:bc:d3:7b:f9:7e:32:7f:dc:59:ea:
+         02:20:b3:8f
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----